Attachment 1486626 Details for Bug 1632586 – File: backtrace

File: backtrace

backtrace (text/plain), 409.57 KB, created by François Perriot on 2018-09-25 07:44:59 UTC

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Creator: François Perriot

Created: 2018-09-25 07:44:59 UTC

Size: 409.57 KB

patch

obsolete

>[New LWP 4541]
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>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `/usr/lib64/firefox/firefox -contentproc -childID 1 -isForBrowser -prefsLen 1281'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  js::NativeObject::unshiftedElements (this=0x7fe9588149c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/NativeObject.h:1388
>[Current thread is 1 (Thread 0x7fe9728fb700 (LWP 4541))]
>
>Thread 1 (Thread 0x7fe9728fb700 (LWP 4541)):
>#0  js::NativeObject::unshiftedElements (this=0x7fe9588149c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/NativeObject.h:1388
>No locals.
>#1  js::NativeObject::hasFixedElements (this=0x7fe9588149c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/NativeObject.h:1388
>No locals.
>#2  js::NativeObject::hasDynamicElements (this=0x7fe9588149c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/NativeObject.h:1384
>No locals.
>#3  JSObject::finalize (fop=0x7fe9728fa500, this=0x7fe9588149c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/JSObject-inl.h:116
>        clasp = <optimized out>
>        nobj = 0x7fe9588149c0
>        clasp = <optimized out>
>        nobj = <optimized out>
>        elements = <optimized out>
>#4  js::gc::Arena::finalize<JSObject> (thingSize=64, thingKind=js::gc::AllocKind::OBJECT4_BACKGROUND, fop=0x7fe9728fa500, this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:600
>        t = 0x7fe9588149c0
>        i = {<js::gc::ArenaCellIterImpl> = {firstThingOffset = 64, thingSize = 64, arenaAddr = 0x7fe958814000, span = {first = 0, last = 0}, thing = 2496, traceKind = JS::TraceKind::Object, needsBarrier = false, initialized = {<No data fields>}}, <No data fields>}
>        firstThing = 64
>        firstThingOrSuccessorOfLastMarkedThing = 64
>        lastThing = 4032
>        newListHead = {first = 64, last = 64}
>        newListTail = <optimized out>
>        nmarked = 0
>        lastMarkedThing = <optimized out>
>        firstThing = <optimized out>
>        firstThingOrSuccessorOfLastMarkedThing = <optimized out>
>        lastThing = <optimized out>
>        newListHead = <optimized out>
>        newListTail = <optimized out>
>        nmarked = <optimized out>
>        lastMarkedThing = <optimized out>
>        i = <optimized out>
>        t = <optimized out>
>        thing = <optimized out>
>#5  bool FinalizeTypedArenas<JSObject>(js::FreeOp*, js::gc::Arena**, js::gc::SortedArenaList&, js::gc::AllocKind, js::SliceBudget&, js::gc::ArenaLists::KeepArenasEnum) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:658
>        arena = 0x7fe958814000
>        nmarked = <optimized out>
>        nfree = <optimized out>
>        maybeLock = {mStorage = "\000\024\224\\\351\177\000\000 \005\000\000\000\000\000\000\025\000\000\000\000\000\000", mIsSome = 0 '\000'}
>        thingSize = 64
>        thingsPerArena = 63
>#6  0x00007fe98c6f96e6 in FinalizeArenas(js::FreeOp*, js::gc::Arena**, js::gc::SortedArenaList&, js::gc::AllocKind, js::SliceBudget&, js::gc::ArenaLists::KeepArenasEnum) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:692
>No locals.
>#7  0x00007fe98c6fa6f9 in js::gc::ArenaLists::backgroundFinalize (fop=fop@entry=0x7fe9728fa500, listHead=<optimized out>, empty=empty@entry=0x7fe9728fa4d0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:3210
>        thingKind = js::gc::AllocKind::OBJECT4_BACKGROUND
>        zone = 0x7fe96c4a8000
>        thingsPerArena = 63
>        finalizedSorted = {static MinThingSize = 16, static MaxThingsPerArena = 253, thingsPerArena_ = 63, segments = {{head = 0x7fe95b307000, tailp = 0x7fe958c75010}, {head = 0x0, tailp = 0x7fe9728f9498}, {head = 0x0, tailp = 0x7fe9728f94a8}, {head = 0x0, tailp = 0x7fe9728f94b8}, {head = 0x0, tailp = 0x7fe9728f94c8}, {head = 0x0, tailp = 0x7fe9728f94d8}, {head = 0x0, tailp = 0x7fe9728f94e8}, {head = 0x0, tailp = 0x7fe9728f94f8}, {head = 0x0, tailp = 0x7fe9728f9508}, {head = 0x0, tailp = 0x7fe9728f9518}, {head = 0x0, tailp = 0x7fe9728f9528}, {head = 0x0, tailp = 0x7fe9728f9538}, {head = 0x0, tailp = 0x7fe9728f9548}, {head = 0x0, tailp = 0x7fe9728f9558}, {head = 0x0, tailp = 0x7fe9728f9568}, {head = 0x0, tailp = 0x7fe9728f9578}, {head = 0x0, tailp = 0x7fe9728f9588}, {head = 0x0, tailp = 0x7fe9728f9598}, {head = 0x0, tailp = 0x7fe9728f95a8}, {head = 0x0, tailp = 0x7fe9728f95b8}, {head = 0x0, tailp = 0x7fe9728f95c8}, {head = 0x0, tailp = 0x7fe9728f95d8}, {head = 0x0, tailp = 0x7fe9728f95e8}, {head = 0x0, tailp = 0x7fe9728f95f8}, {head = 0x0, tailp = 0x7fe9728f9608}, {head = 0x0, tailp = 0x7fe9728f9618}, {head = 0x0, tailp = 0x7fe9728f9628}, {head = 0x0, tailp = 0x7fe9728f9638}, {head = 0x0, tailp = 0x7fe9728f9648}, {head = 0x0, tailp = 0x7fe9728f9658}, {head = 0x0, tailp = 0x7fe9728f9668}, {head = 0x0, tailp = 0x7fe9728f9678}, {head = 0x0, tailp = 0x7fe9728f9688}, {head = 0x0, tailp = 0x7fe9728f9698}, {head = 0x0, tailp = 0x7fe9728f96a8}, {head = 0x0, tailp = 0x7fe9728f96b8}, {head = 0x0, tailp = 0x7fe9728f96c8}, {head = 0x0, tailp = 0x7fe9728f96d8}, {head = 0x0, tailp = 0x7fe9728f96e8}, {head = 0x0, tailp = 0x7fe9728f96f8}, {head = 0x0, tailp = 0x7fe9728f9708}, {head = 0x0, tailp = 0x7fe9728f9718}, {head = 0x0, tailp = 0x7fe9728f9728}, {head = 0x0, tailp = 0x7fe9728f9738}, {head = 0x7fe96c327000, tailp = 0x7fe96c327010}, {head = 0x0, tailp = 0x7fe9728f9758}, {head = 0x7fe954cb9000, tailp = 0x7fe965b6a010}, {head = 0x0, tailp = 0x7fe9728f9778}, {head = 0x7fe958a31000, tailp = 0x7fe958a31010}, {head = 0x7fe958c60000, tailp = 0x7fe9551a0010}, {head = 0x0, tailp = 0x7fe9728f97a8}, {head = 0x0, tailp = 0x7fe9728f97b8}, {head = 0x0, tailp = 0x7fe9728f97c8}, {head = 0x7fe9551a6000, tailp = 0x7fe9551a6010}, {head = 0x7fe958924000, tailp = 0x7fe953657010}, {head = 0x7fe954ce5000, tailp = 0x7fe954ce5010}, {head = 0x0, tailp = 0x7fe9728f9808}, {head = 0x0, tailp = 0x7fe9728f9818}, {head = 0x0, tailp = 0x7fe9728f9828}, {head = 0x0, tailp = 0x7fe9728f9838}, {head = 0x0, tailp = 0x7fe9728f9848}, {head = 0x0, tailp = 0x7fe9728f9858}, {head = 0x0, tailp = 0x7fe9728f9868}, {head = 0x7fe966234000, tailp = 0x7fe958813010}, {head = 0x7fe9643a5000, tailp = 0x7fe9643a5010}, {head = 0x0, tailp = 0x7fe9728f9898}, {head = 0x0, tailp = 0x7fe9728f98a8}, {head = 0x0, tailp = 0x7fe9728f98b8}, {head = 0x0, tailp = 0x7fe9728f98c8}, {head = 0x0, tailp = 0x7fe9728f98d8}, {head = 0x0, tailp = 0x7fe9728f98e8}, {head = 0x0, tailp = 0x7fe9728f98f8}, {head = 0x0, tailp = 0x7fe9728f9908}, {head = 0x0, tailp = 0x7fe9728f9918}, {head = 0x0, tailp = 0x7fe9728f9928}, {head = 0x0, tailp = 0x7fe9728f9938}, {head = 0x0, tailp = 0x7fe9728f9948}, {head = 0x0, tailp = 0x7fe9728f9958}, {head = 0x0, tailp = 0x7fe9728f9968}, {head = 0x0, tailp = 0x7fe9728f9978}, {head = 0x0, tailp = 0x7fe9728f9988}, {head = 0x0, tailp = 0x7fe9728f9998}, {head = 0x7fe955336000, tailp = 0x7fe955336010}, {head = 0x7fe9661db000, tailp = 0x7fe9661db010}, {head = 0x0, tailp = 0x7fe9728f99c8}, {head = 0x0, tailp = 0x7fe9728f99d8}, {head = 0x0, tailp = 0x7fe9728f99e8}, {head = 0x7fe95b31b000, tailp = 0x7fe95b31b010}, {head = 0x0, tailp = 0x7fe9728f9a08}, {head = 0x0, tailp = 0x7fe9728f9a18}, {head = 0x0, tailp = 0x7fe9728f9a28}, {head = 0x0, tailp = 0x7fe9728f9a38}, {head = 0x0, tailp = 0x7fe9728f9a48}, {head = 0x0, tailp = 0x7fe9728f9a58}, {head = 0x0, tailp = 0x7fe9728f9a68}, {head = 0x7fe955307000, tailp = 0x7fe955307010}, {head = 0x0, tailp = 0x7fe9728f9a88}, {head = 0x0, tailp = 0x7fe9728f9a98}, {head = 0x0, tailp = 0x7fe9728f9aa8}, {head = 0x0, tailp = 0x7fe9728f9ab8}, {head = 0x0, tailp = 0x7fe9728f9ac8}, {head = 0x0, tailp = 0x7fe9728f9ad8}, {head = 0x0, tailp = 0x7fe9728f9ae8}, {head = 0x0, tailp = 0x7fe9728f9af8}, {head = 0x0, tailp = 0x7fe9728f9b08}, {head = 0x0, tailp = 0x7fe9728f9b18}, {head = 0x0, tailp = 0x7fe9728f9b28}, {head = 0x0, tailp = 0x7fe9728f9b38}, {head = 0x0, tailp = 0x7fe9728f9b48}, {head = 0x0, tailp = 0x7fe9728f9b58}, {head = 0x0, tailp = 0x7fe9728f9b68}, {head = 0x0, tailp = 0x7fe9728f9b78}, {head = 0x0, tailp = 0x7fe9728f9b88}, {head = 0x0, tailp = 0x7fe9728f9b98}, {head = 0x0, tailp = 0x7fe9728f9ba8}, {head = 0x0, tailp = 0x7fe9728f9bb8}, {head = 0x0, tailp = 0x7fe9728f9bc8}, {head = 0x0, tailp = 0x7fe9728f9bd8}, {head = 0x0, tailp = 0x7fe9728f9be8}, {head = 0x0, tailp = 0x7fe9728f9bf8}, {head = 0x0, tailp = 0x7fe9728f9c08}, {head = 0x0, tailp = 0x7fe9728f9c18}, {head = 0x0, tailp = 0x7fe9728f9c28}, {head = 0x0, tailp = 0x7fe9728f9c38}, {head = 0x0, tailp = 0x7fe9728f9c48}, {head = 0x0, tailp = 0x7fe9728f9c58}, {head = 0x0, tailp = 0x7fe9728f9c68}, {head = 0x7fe96b300000, tailp = 0x7fe965edb7f0}, {head = 0x7fe965edb980, tailp = 0x43}, {head = 0x7fe9728f9cb0, tailp = 0x0}, {head = 0x4, tailp = 0x7fe9000001a0}, {head = 0x8000, tailp = 0x7fe9728f9cd8}, {head = 0x0, tailp = 0x4}, {head = 0x55b40c9807bb <RedBlackTree<arena_chunk_map_t, ArenaAvailTreeTrait>::Remove(RedBlackTree<arena_chunk_map_t, ArenaAvailTreeTrait>::TreeNode)+251>, tailp = 0x0}, {head = 0x58, tailp = 0x7fe955a93800}, {head = 0x0, tailp = 0x80}, {head = 0xe83e2e01, tailp = 0x7fe9556a0700}, {head = 0x7fe966336638, tailp = 0x0}, {head = 0x100000001, tailp = 0x7fe9556a0700}, {head = 0x7fe966336278, tailp = 0x0}, {head = 0x20c981901, tailp = 0x7fe9556a0700}, {head = 0x7fe966336678, tailp = 0x0}, {head = 0x300000001, tailp = 0x7fe9556a0700}, {head = 0x7fe9663368e8, tailp = 0x0}, {head = 0x400000000, tailp = 0x7fe9556a0700}, {head = 0x0, tailp = 0x0}, {head = 0x598d00d01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edcb28, tailp = 0x0}, {head = 0x60c981b01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edcb90, tailp = 0x0}, {head = 0x798d00d01, tailp = 0x7fe9556a0700}, {head = 0x7fe9663367b8, tailp = 0x0}, {head = 0x8e83e2e01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edcc60, tailp = 0x0}, {head = 0x98c1a6c01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edccc8, tailp = 0x0}, {head = 0xa00000001, tailp = 0x7fe9556a0700}, {head = 0x7fe965edcd30, tailp = 0x0}, {head = 0xb5c529500, tailp = 0x7fe9556a0700}, {head = 0x0, tailp = 0x0}, {head = 0xc8c790a01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edcd98, tailp = 0x0}, {head = 0xde83e2e01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edce00, tailp = 0x0}, {head = 0xe8c1a6c01, tailp = 0x7fe9556a0700}, {head = 0x7fe965edce68, tailp = 0x0}, {head = 0xf00000001, tailp = 0x7fe9556a0700}, {head = 0x7fe965edced0, tailp = 0x0}, {head = 0x1065da0b01, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b048, tailp = 0x0}, {head = 0x118c790a01, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b0b0, tailp = 0x0}, {head = 0x128c796701, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b118, tailp = 0x0}, {head = 0x1300000001, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b180, tailp = 0x0}, {head = 0x1400000001, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b1e8, tailp = 0x0}, {head = 0x15728f9f01, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b250, tailp = 0x0}, {head = 0x165cc52101, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b2b8, tailp = 0x0}, {head = 0x175cb3ff01, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b320, tailp = 0x0}, {head = 0x1800000001, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b388, tailp = 0x0}, {head = 0x1900000001, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b3f0, tailp = 0x0}, {head = 0x1a65aceb01, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b458, tailp = 0x0}, {head = 0x1b65da0601, tailp = 0x7fe9556a0700}, {head = 0x7fe965f4b4c0, tailp = 0x0}, {head = 0x1c65acea01, tailp = 0x7fe970701688}, {head = 0x0, tailp = 0x0}, {head = 0x6a701e6be83e2e00, tailp = 0x7fe9556a0700}, {head = 0x7fe973800000, tailp = 0x7fe998d00d00}, {head = 0x1, tailp = 0x1}, {head = 0x7fe9738a9000, tailp = 0xa9}, {head = 0x55b40c98193b <arena_t::SplitRun(arena_run_t*, unsigned long, bool, bool)+251>, tailp = 0x7fe9556a0700}, {head = 0x7fe998d00d80, tailp = 0xfd8}...}}
>        unlimited = {static unlimitedDeadline = 9223372036854775807, static unlimitedStartCounter = 9223372036854775807, timeBudget = {budget = -1}, workBudget = {budget = -1}, deadline = 9223372036854775807, counter = 9223372036854759616, static CounterReset = 1000, static UnlimitedTimeBudget = -1, static UnlimitedWorkBudget = -1}
>        lists = <optimized out>
>        al = <optimized out>
>        finalized = {head_ = 0x7fe953673000, cursorp_ = 0x7fe95363c010}
>#8  0x00007fe98c6fc0c9 in js::gc::GCRuntime::sweepBackgroundThings(js::gc::ZoneList&, js::LifoAlloc&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:3585
>        arenas = <optimized out>
>        kind = <optimized out>
>        __for_range = @0x7fe9728fa4dc: {static kMaxBits = 32, mBitField = 10923}
>        __for_begin = {mSet = 0x7fe9728fa4dc, mPos = 7}
>        __for_end = {mSet = 0x7fe9728fa4dc, mPos = 32}
>        phase = {statsPhase = js::gcstats::PhaseKind::SWEEP_OBJECT, kinds = {static kMaxBits = 32, mBitField = 10923}}
>        __for_range = @0x7fe98f045160: {{statsPhase = js::gcstats::PhaseKind::SWEEP_SCRIPT, kinds = {static kMaxBits = 32, mBitField = 32768}}, {statsPhase = js::gcstats::PhaseKind::SWEEP_OBJECT, kinds = {static kMaxBits = 32, mBitField = 10923}}, {statsPhase = js::gcstats::PhaseKind::SWEEP_SCOPE, kinds = {static kMaxBits = 32, mBitField = 33554432}}, {statsPhase = js::gcstats::PhaseKind::SWEEP_REGEXP_SHARED, kinds = {static kMaxBits = 32, mBitField = 67108864}}, {statsPhase = js::gcstats::PhaseKind::SWEEP_STRING, kinds = {static kMaxBits = 32, mBitField = 418381824}}, {statsPhase = js::gcstats::PhaseKind::SWEEP_SHAPE, kinds = {static kMaxBits = 32, mBitField = 983040}}}
>        __for_begin = 0x7fe98f045168 <BackgroundFinalizePhases+8>
>        __for_end = 0x7fe98f045190 <js::gc::ArenaLists::emptySentinel>
>        zone = 0x7fe96c4a8000
>        emptyArenas = 0x7fe958ab9000
>        releaseCount = <optimized out>
>        LockReleasePeriod = <optimized out>
>        lock = {runtime_ = 0xd000, lockGuard_ = {mStorage = "\332#\230\f\264U\000", mIsSome = 64 '@'}}
>        next = <optimized out>
>        fop = {<JSFreeOp> = {runtime_ = 0x0}, freeLaterList = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = <optimized out>, static kInlineCapacity = 0, mBegin = 0x0, mLength = 0, mTail = {<mozilla::Vector<void*, 0, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 0}, <No data fields>}, static sMaxInlineStorage = <optimized out>}, jitPoisonRanges = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = false, static kMaxInlineBytes = <optimized out>, static kInlineCapacity = 0, mBegin = 0x0, mLength = 0, mTail = {<mozilla::Vector<js::jit::JitPoisonRange, 0, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 0}, <No data fields>}, static sMaxInlineStorage = <optimized out>}}
>        emptyArenas = <optimized out>
>        releaseCount = <optimized out>
>        __for_range = <optimized out>
>        __for_range = <optimized out>
>        zone = <optimized out>
>        next = <optimized out>
>        phase = <optimized out>
>        __for_begin = <optimized out>
>        __for_begin = <optimized out>
>        fop = <optimized out>
>        LockReleasePeriod = <optimized out>
>        kind = <optimized out>
>        arenas = <optimized out>
>        freeBlocks = <optimized out>
>        __for_end = <optimized out>
>        __for_end = <optimized out>
>        arena = <optimized out>
>        zones = @0x7fe9728fa5b0: {static End = <optimized out>, head = 0x0, tail = 0x0}
>        this = <optimized out>
>        lock = <optimized out>
>        fop = <optimized out>
>        zone = <optimized out>
>        emptyArenas = <optimized out>
>        lock = <optimized out>
>        LockReleasePeriod = <optimized out>
>        releaseCount = <optimized out>
>        next = <optimized out>
>        phase = <optimized out>
>        __for_range = <optimized out>
>        __for_begin = <optimized out>
>        __for_end = <optimized out>
>        kind = <optimized out>
>        __for_range = <optimized out>
>        __for_begin = <optimized out>
>        __for_end = <optimized out>
>        arenas = <optimized out>
>        arena = <optimized out>
>#9  0x00007fe98c6fc32b in js::GCHelperState::doSweep (this=this@entry=0x7fe9738155f0, lock=...) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:3775
>        threadIsSweeping = <optimized out>
>        zones = {static End = <optimized out>, head = 0x0, tail = 0x0}
>        freeLifoAlloc = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 2535424, static HUGE_ALLOCATION = 52428800}
>        unlock = {lock = @0x7fe9728fa650}
>#10 0x00007fe98c6fc4dd in js::GCHelperState::work() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/gc/GC.cpp:3691
>        logSweeping = <optimized out>
>        lock = {runtime_ = 0x7fe973814000, lockGuard_ = {mStorage = "PU\201s\351\177\000", mIsSome = 0 '\000'}}
>#11 0x00007fe98c4c8eef in js::HelperThread::handleGCHelperWorkload (this=0x7fe973804938, locked=...) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2331
>        unlock = <optimized out>
>        task = 0x7fe9738155f0
>        ascr = <optimized out>
>#12 0x00007fe98c4ccd2c in js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2441
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640624287745, 140640624287745, 140640624287745}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x7fe973814000}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe973804938}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640626130944, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe9663f73d0}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9728fa888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\320\340\311e\351\177\000\000\200\342\311e\351\177\000\000\060\344\311e\351\177\000\000\340\345\311e\351\177\000\000\220\347\311e\351\177\000\000@\351\311e\351\177\000\000\360\352\311e\351\177\000\000\240\354\311e\351\177\000\000p\"?f\351\177\000\000\320%?f\351\177\000\000\060)?f\351\177\000\000\340*?f\351\177\000\000\220,?f\351\177\000\000\240\061?f\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9728fa9a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\240\061?f\351\177\000\000\220,?f\351\177\000\000\340*?f\351\177\000\000\060)?f\351\177\000\000\320%?f\351\177\000\000p\"?f\351\177\000\000\240\354\311e\351\177\000\000\360\352\311e\351\177\000\000@\351\311e\351\177\000\000\220\347\311e\351\177\000\000\340\345\311e\351\177\000\000\060\344\311e\351\177\000\000\200\342\311e\351\177\000\000\320\340\311e\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9728faab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\340\371>f\351\177\000\000\300\372>f\351\177\000\000\000r\024h\351\177\000\000\200u\024h\351\177\000\000 x\024h\351\177\000\000\000\271 l\351\177\000\000\340\271 l\351\177\000\000@\320&l\351\177\000\000`\326&l\351\177\000\000@\327&l\351\177\000\000\000\331&l\351\177\000\000`\335&l\351\177\000\000@\336&l\351\177\000\000 \337&l\351\177\000\000 \217|p\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9728fabd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = " \217|p\351\177\000\000 \337&l\351\177\000\000@\336&l\351\177\000\000`\335&l\351\177\000\000\000\331&l\351\177\000\000@\327&l\351\177\000\000`\326&l\351\177\000\000@\320&l\351\177\000\000\340\271 l\351\177\000\000\000\271 l\351\177\000\000 x\024h\351\177\000\000\200u\024h\351\177\000\000\000r\024h\351\177\000\000\300\372>f\351\177\000\000\340\371>f\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe9728fad38, mPrev = 0x7fe9728fad38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe9728fa6b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe9728fada0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe9728fadf0, mPrev = 0x7fe9728fadf0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe9728fae38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#13 0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b060) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#14 js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b060) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b060
>#15 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640626128640, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236118549709726958, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#16 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 2 (Thread 0x7fe9736ff700 (LWP 4537)):
>#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7fe9736fedf0, expected=0, futex_word=0x7fe973762df4) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg6 = <optimized out>
>        __arg5 = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = <optimized out>
>        _a5 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7fe9736fedf0, mutex=0x7fe974f10870, cond=0x7fe973762dc8) at pthread_cond_wait.c:539
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9736fed70, __canceltype = 1936715376, __prev = 0x0}
>        cbuffer = {wseq = 5353, cond = 0x7fe973762dc8, mutex = 0x7fe974f10870, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 5353
>        seq = 2676
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7fe973762dc8, mutex=mutex@entry=0x7fe974f10870, abstime=abstime@entry=0x7fe9736fedf0) at pthread_cond_wait.c:667
>No locals.
>#3  0x00007fe999102193 in pt_TimedWait (cv=cv@entry=0x7fe973762dc8, ml=0x7fe974f10870, timeout=timeout@entry=1000) at ../../.././nspr/pr/src/pthreads/ptsynch.c:258
>        rv = <optimized out>
>        now = {tv_sec = 1537860131, tv_usec = 77345}
>        tmo = {tv_sec = 1537860132, tv_nsec = 77345000}
>        ticks = <optimized out>
>#4  0x00007fe99910264e in PR_WaitCondVar (cvar=0x7fe973762dc0, timeout=1000) at ../../.././nspr/pr/src/pthreads/ptsynch.c:387
>        rv = <optimized out>
>        thred = 0x7fe9767f2820
>#5  0x00007fe989a0c3dc in Watchdog::Sleep (this=0x7fe97377bc10, timeout=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/xpconnect/src/XPCJSContext.cpp:208
>No locals.
>#6  WatchdogMain (arg=0x7fe97377bc10) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/xpconnect/src/XPCJSContext.cpp:493
>        raiiObject478 = {<No data fields>}
>        self = 0x7fe97377bc10
>        manager = 0x7fe976777460
>        lock = {mWatchdog = 0x7fe97377bc10}
>#7  0x00007fe9991083f8 in _pt_root (arg=0x7fe9767f2820) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551100
>        tid = 4537
>#8  0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640640825088, 246508794491427602, 140728683025630, 140728683025631, 140728683025792, 140728683025792, -236121571219219694, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 3 (Thread 0x7fe99ac6b740 (LWP 4521)):
>#0  0x00007fe9998163e9 in __GI___poll (fds=0x7fe974fe57a0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007fe98b23f40e in PollWrapper(_GPollFD*, unsigned int, int) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/widget/gtk/nsAppShell.cpp:54
>        raiiObject52 = {mProfilingStack = 0x7fe998c51430, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe998c51430}, <No data fields>}}
>        raiiObject53 = <optimized out>
>        result = <optimized out>
>#2  0x00007fe994cdabe6 in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7fe974fe57a0, timeout=<optimized out>, context=0x7fe998cfe030) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7fe98b23f350 <PollWrapper(_GPollFD*, unsigned int, int)>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#3  g_main_context_iterate (context=context@entry=0x7fe998cfe030, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 3
>        allocated_nfds = 3
>        fds = 0x7fe974fe57a0
>#4  0x00007fe994cdad10 in g_main_context_iteration (context=0x7fe998cfe030, context@entry=0x0, may_block=1) at gmain.c:3964
>        retval = <optimized out>
>#5  0x00007fe98b23a973 in nsAppShell::ProcessNextNativeEvent (this=<optimized out>, mayWait=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/widget/gtk/nsAppShell.cpp:296
>No locals.
>#6  0x00007fe98b2056c6 in nsBaseAppShell::DoProcessNextNativeEvent (this=this@entry=0x7fe974fe6100, mayWait=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/widget/nsBaseAppShell.cpp:140
>        prevVal = nsBaseAppShell::eEventloopNone
>        result = <optimized out>
>#7  0x00007fe98b20585e in nsBaseAppShell::OnProcessNextEvent (this=0x7fe974fe6100, thr=0x7fe9767414c0, mayWait=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/widget/nsBaseAppShell.cpp:291
>        start = 5062047
>        limit = 10
>        oldBlockedWait = <optimized out>
>        needEvent = true
>#8  0x00007fe98933d644 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:968
>        reallyWait = <optimized out>
>        activation = {mStorage = '\000' <repeats 24 times>, "\314)\017\231\351\177\000\000\240l)\363\375\177\000\000I\344\063\211\351\177\000\000@\000\000\000\000\000\000\000\000.>\350k\036pj\002\000\000\000\351\177\000", mIsSome = 1 '\001'}
>        rv = <optimized out>
>        noJSAPI = {mStorage = "\000\000\000\000\000\000\000\000\003", '\000' <repeats 14 times>, mIsSome = 1 '\001'}
>        callScriptObserver = true
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x7fe974fe6108}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7ffdf3296cd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe9767414c0
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#9  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe9767414c0, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#10 0x00007fe989775090 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:125
>        did_work = <optimized out>
>        thisThread = 0x7fe9767414c0
>        autoReleasePool = <optimized out>
>#11 0x00007fe989749529 in MessageLoop::RunInternal (this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#12 MessageLoop::RunHandler (this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#13 MessageLoop::Run (this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 2, quit_received = false}, loop_ = 0x7ffdf3296e70, previous_state_ = 0x7ffdf3296da0}
>#14 0x00007fe98b2023bc in nsBaseAppShell::Run (this=0x7fe974fe6100) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/widget/nsBaseAppShell.cpp:158
>        thread = 0x7fe9767414c0
>#15 0x00007fe98c079aab in XRE_RunAppShell () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/toolkit/xre/nsEmbedFunctions.cpp:896
>        appShell = {<nsCOMPtr_base> = {mRawPtr = 0x7fe974fe6100}, <No data fields>}
>#16 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7ffdf3296e70) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#17 MessageLoop::RunHandler (this=0x7ffdf3296e70) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#18 MessageLoop::Run (this=this@entry=0x7ffdf3296e70) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7ffdf3296e70, previous_state_ = 0x0}
>#19 0x00007fe98c079f85 in XRE_InitChildProcess(int, char**, XREChildData const*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/toolkit/xre/nsEmbedFunctions.cpp:722
>        process = {mRawPtr = 0x7fe998c6f000}
>        uiMessageLoop = {<base::MessagePump::Delegate> = {_vptr.Delegate = 0x7fe98ec4c070 <vtable for MessageLoop+16>}, type_ = MessageLoop::TYPE_MOZILLA_CHILD, id_ = 1, work_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c536c0, _M_map_size = 8, _M_start = {_M_cur = 0x7fe998c91e00, _M_first = 0x7fe998c91e00, _M_last = 0x7fe998c91ff8, _M_node = 0x7fe998c536d8}, _M_finish = {_M_cur = 0x7fe998c91e00, _M_first = 0x7fe998c91e00, _M_last = 0x7fe998c91ff8, _M_node = 0x7fe998c536d8}}}, <No data fields>}}, delayed_work_queue_ = {c = {<std::_Vector_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, comp = {<std::binary_function<MessageLoop::PendingTask, MessageLoop::PendingTask, bool>> = {<No data fields>}, <No data fields>}}, deferred_non_nestable_work_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c53800, _M_map_size = 8, _M_start = {_M_cur = 0x7fe998c92000, _M_first = 0x7fe998c92000, _M_last = 0x7fe998c921f8, _M_node = 0x7fe998c53818}, _M_finish = {_M_cur = 0x7fe998c92000, _M_first = 0x7fe998c92000, _M_last = 0x7fe998c921f8, _M_node = 0x7fe998c53818}}}, <No data fields>}}, pump_ = {mRawPtr = 0x7fe998c87290}, destruction_observers_ = {observers_ = {<std::_Vector_base<MessageLoop::DestructionObserver*, std::allocator<MessageLoop::DestructionObserver*> >> = {_M_impl = {<std::allocator<MessageLoop::DestructionObserver*>> = {<__gnu_cxx::new_allocator<MessageLoop::DestructionObserver*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7fe974f56c40, _M_finish = 0x7fe974f56c68, _M_end_of_storage = 0x7fe974f56c80}}, <No data fields>}, notify_depth_ = 0, type_ = base::ObserverList<MessageLoop::DestructionObserver, false>::NOTIFY_ALL}, nestable_tasks_allowed_ = true, exception_restoration_ = false, thread_name_ = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7ffdf3296f80 "Gecko_Child"}, _M_string_length = 11, {_M_local_buf = "Gecko_Child\000\375\177\000", _M_allocated_capacity = 7512953535531803975}}, incoming_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c53840, _M_map_size = 8, _M_start = {_M_cur = 0x7fe998c92200, _M_first = 0x7fe998c92200, _M_last = 0x7fe998c923f8, _M_node = 0x7fe998c53858}, _M_finish = {_M_cur = 0x7fe998c92200, _M_first = 0x7fe998c92200, _M_last = 0x7fe998c923f8, _M_node = 0x7fe998c53858}}}, <No data fields>}}, incoming_queue_lock_ = {lock_ = {native_handle_ = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}}, state_ = 0x7ffdf3296d30, run_depth_base_ = 2, shutting_down_ = false, transient_hang_timeout_ = 128, permanent_hang_timeout_ = 8192, next_sequence_num_ = 0, mEventTarget = {mRawPtr = 0x7fe998c2ad30}}
>        logger = <optimized out>
>        raiiObject408 = {<No data fields>}
>        raiiObject409 = {mProfilingStack = 0x7fe998c51430, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe998c51430}, <No data fields>}}
>        annotation = <optimized out>
>        parentPIDString = <optimized out>
>        end = 0x7ffdf3298b66 ""
>        parentPID = 4394
>        crashReportTmpDir = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        exitManager = {lock_ = {lock_ = {native_handle_ = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}}, stack_ = {c = {<std::_Deque_base<base::AtExitManager::CallbackAndParam, std::allocator<base::AtExitManager::CallbackAndParam> >> = {_M_impl = {<std::allocator<base::AtExitManager::CallbackAndParam>> = {<__gnu_cxx::new_allocator<base::AtExitManager::CallbackAndParam>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c53680, _M_map_size = 8, _M_start = {_M_cur = 0x7fe998c91c00, _M_first = 0x7fe998c91c00, _M_last = 0x7fe998c91e00, _M_node = 0x7fe998c53698}, _M_finish = {_M_cur = 0x7fe998c91c10, _M_first = 0x7fe998c91c00, _M_last = 0x7fe998c91e00, _M_node = 0x7fe998c53698}}}, <No data fields>}}, next_manager_ = 0x0}
>        rv = <optimized out>
>        uiLoopType = <optimized out>
>#20 0x000055b40c97b3aa in content_process_main (bootstrap=0x7fe998c29640, argc=19, argv=0x7ffdf32971b8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/browser/app/../../ipc/contentproc/plugin-container.cpp:50
>        childData = {<No data fields>}
>        rv = <optimized out>
>#21 0x000055b40c97ad14 in main (argc=20, argv=0x7ffdf32971b8, envp=0x7ffdf3297260) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/browser/app/nsBrowserApp.cpp:287
>        rv = <optimized out>
>        result = <optimized out>
>        start = <optimized out>
>        rv = <optimized out>
>        result = <optimized out>
>
>Thread 4 (Thread 0x7fe975887700 (LWP 4529)):
>#0  0x00007fe9998163e9 in __GI___poll (fds=0x7fe97673db10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007fe994cdabe6 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7fe97673db10, timeout=<optimized out>, context=0x7fe998cfe5b0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7fe994cea520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7fe998cfe5b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 2
>        allocated_nfds = 2
>        fds = 0x7fe97673db10
>#3  0x00007fe994cdafa2 in g_main_loop_run (loop=0x7fe97673daa0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007fe9952cb6ba in gdbus_shared_thread_func (user_data=0x7fe976745400) at gdbusprivate.c:275
>        data = 0x7fe976745400
>#5  0x00007fe994d02f2a in g_thread_proxy (data=0x7fe9767428d0) at gthread.c:784
>        thread = 0x7fe9767428d0
>        __func__ = "g_thread_proxy"
>#6  0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640675985152, 246508794491427602, 140728683026670, 140728683026671, 140728683026800, 140728683026800, -236107608280540398, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 5 (Thread 0x7fe976088700 (LWP 4527)):
>#0  0x00007fe9998163e9 in __GI___poll (fds=0x7fe998c86880, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007fe994cdabe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fe998c86880, timeout=<optimized out>, context=0x7fe998cfe3a0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7fe994cea520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=context@entry=0x7fe998cfe3a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7fe998c86880
>#3  0x00007fe994cdad10 in g_main_context_iteration (context=0x7fe998cfe3a0, may_block=may_block@entry=1) at gmain.c:3964
>        retval = <optimized out>
>#4  0x00007fe994cdad61 in glib_worker_main (data=<optimized out>) at gmain.c:5773
>No locals.
>#5  0x00007fe994d02f2a in g_thread_proxy (data=0x7fe976730dd0) at gthread.c:784
>        thread = 0x7fe976730dd0
>        __func__ = "g_thread_proxy"
>#6  0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640684377856, 246508794491427602, 140728683026286, 140728683026287, 140728683026416, 140728683026416, -236110906278552814, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 6 (Thread 0x7fe998e5b700 (LWP 4550)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe998c5a7a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe998e5ab50, __canceltype = 1519398504, __prev = 0x0}
>        cbuffer = {wseq = 656, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 656
>        seq = 328
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe998c5a780, mutex=0x7fe998c5a750) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe998c5a780
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe989f447b6 in mozilla::CondVar::Wait (this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::Monitor::Wait (this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:38
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:202
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe96f12df20) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe974fe3640}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe96f12df20}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\255\345\230\351\177\000\000I\344\063\211\351\177\000\000\060\064|v\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\255\345\230\351\177\000\000\220\301wv\351\177\000\000\320\255\345\230\351\177\000\000@6\376t\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe998e5add7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe974fe3640
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe974fe3640, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe974fe3640
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe998c50900) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe998c50900) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe998c50900) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe998c50900, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe998c50900}
>        initData = 0x0
>        self = 0x7fe974fe3640
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe96f243160) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4550
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140641269298944, 246508794491427602, 140728683028462, 140728683028463, 140728683028624, 140728683028624, -236166601803834606, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 7 (Thread 0x7fe9868e3700 (LWP 4524)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007fe98975c50e in epoll_wait (epfd=<optimized out>, events=events@entry=0x7fe998c4e500, maxevents=<optimized out>, timeout=timeout@entry=-1) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/third_party/libevent/epoll_sub.c:64
>No locals.
>#2  0x00007fe98975e7b5 in epoll_dispatch (base=0x7fe998cbd000, tv=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/third_party/libevent/epoll.c:462
>        epollop = 0x7fe998c29670
>        events = 0x7fe998c4e500
>        i = <optimized out>
>        res = <optimized out>
>        timeout = <optimized out>
>        __func__ = "epoll_dispatch"
>#3  0x00007fe989760f75 in event_base_loop (base=0x7fe998cbd000, flags=flags@entry=1) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/third_party/libevent/event.c:1947
>        evsel = 0x7fe98ec4c480 <epollops>
>        tv = {tv_sec = 140640961571856, tv_usec = 140641010219944}
>        tv_p = <optimized out>
>        res = <optimized out>
>        done = 0
>        retval = 0
>        __func__ = "event_base_loop"
>#4  0x00007fe98974787e in base::MessagePumpLibevent::Run (this=0x7fe998c53940, delegate=0x7fe9868e2d00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_pump_libevent.cc:381
>        poll_tv = {tv_sec = 140641267192728, tv_usec = 140641267459840}
>        delay = {delta_ = 140641267876088}
>        autorelease_pool = <optimized out>
>        did_work = <optimized out>
>        old_in_run = false
>#5  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe9868e2d00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#6  MessageLoop::RunHandler (this=0x7fe9868e2d00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#7  MessageLoop::Run (this=this@entry=0x7fe9868e2d00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe9868e2d00, previous_state_ = 0x0}
>#8  0x00007fe9897571c5 in base::Thread::ThreadMain (this=0x7fe998c59348) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/thread.cc:181
>        raiiObject157 = {<No data fields>}
>        message_loop = {<base::MessagePump::Delegate> = {_vptr.Delegate = 0x7fe98ec4c070 <vtable for MessageLoop+16>}, type_ = MessageLoop::TYPE_IO, id_ = 2, work_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c53900, _M_map_size = 8, _M_start = {_M_cur = 0x7fe955cf86c0, _M_first = 0x7fe955cf8600, _M_last = 0x7fe955cf87f8, _M_node = 0x7fe998c53930}, _M_finish = {_M_cur = 0x7fe955cf86c0, _M_first = 0x7fe955cf8600, _M_last = 0x7fe955cf87f8, _M_node = 0x7fe998c53930}}}, <No data fields>}}, delayed_work_queue_ = {c = {<std::_Vector_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, comp = {<std::binary_function<MessageLoop::PendingTask, MessageLoop::PendingTask, bool>> = {<No data fields>}, <No data fields>}}, deferred_non_nestable_work_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c538c0, _M_map_size = 8, _M_start = {_M_cur = 0x7fe998c92600, _M_first = 0x7fe998c92600, _M_last = 0x7fe998c927f8, _M_node = 0x7fe998c538d8}, _M_finish = {_M_cur = 0x7fe998c92600, _M_first = 0x7fe998c92600, _M_last = 0x7fe998c927f8, _M_node = 0x7fe998c538d8}}}, <No data fields>}}, pump_ = {mRawPtr = 0x7fe998c53940}, destruction_observers_ = {observers_ = {<std::_Vector_base<MessageLoop::DestructionObserver*, std::allocator<MessageLoop::DestructionObserver*> >> = {_M_impl = {<std::allocator<MessageLoop::DestructionObserver*>> = {<__gnu_cxx::new_allocator<MessageLoop::DestructionObserver*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7fe998c86118, _M_finish = 0x7fe998c86120, _M_end_of_storage = 0x7fe998c86120}}, <No data fields>}, notify_depth_ = 0, type_ = base::ObserverList<MessageLoop::DestructionObserver, false>::NOTIFY_ALL}, nestable_tasks_allowed_ = true, exception_restoration_ = false, thread_name_ = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fe998c9a7a0 "Chrome_ChildThread"}, _M_string_length = 18, {_M_local_buf = "\036", '\000' <repeats 14 times>, _M_allocated_capacity = 30}}, incoming_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe998c53880, _M_map_size = 8, _M_start = {_M_cur = 0x7fe955cf81c8, _M_first = 0x7fe955cf8000, _M_last = 0x7fe955cf81f8, _M_node = 0x7fe998c538b0}, _M_finish = {_M_cur = 0x7fe955cf81c8, _M_first = 0x7fe955cf8000, _M_last = 0x7fe955cf81f8, _M_node = 0x7fe998c538b0}}}, <No data fields>}}, incoming_queue_lock_ = {lock_ = {native_handle_ = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}}, state_ = 0x7fe9868e2cc0, run_depth_base_ = 1, shutting_down_ = false, transient_hang_timeout_ = 0, permanent_hang_timeout_ = 0, next_sequence_num_ = 0, mEventTarget = {mRawPtr = 0x7fe998c2adc0}}
>#9  0x00007fe9897474ce in ThreadFunc (closure=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/platform_thread_posix.cc:38
>        delegate = <optimized out>
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640961574656, 246508794491427602, 140728683031614, 140728683031615, 140728683031744, 140728683031744, -236215311027938542, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 8 (Thread 0x7fe9722f8700 (LWP 4544)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9722f75c0, __canceltype = -1704774623, __prev = 0x0}
>        cbuffer = {wseq = 14055, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14055
>        seq = 7027
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683029776, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640617984001, 140640617984001, 140640617984001}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe973804a70}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640619827200, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe95d0185b0}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9722f7888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\220\347\311e\351\177\000\000@\351\311e\351\177\000\000\360\352\311e\351\177\000\000p\"?f\351\177\000\000 $?f\351\177\000\000\320%?f\351\177\000\000\340*?f\351\177\000\000\240\061?f\351\177\000\000\300;?f\351\177\000\000 ??f\351\177\000\000\200B?f\351\177\000\000\300@#h\351\177\000\000pB#h\351\177", '\000' <repeats 153 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9722f79a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "pB#h\351\177\000\000\300@#h\351\177\000\000\200B?f\351\177\000\000 ??f\351\177\000\000\300;?f\351\177\000\000\240\061?f\351\177\000\000\340*?f\351\177\000\000\320%?f\351\177\000\000 $?f\351\177\000\000p\"?f\351\177\000\000\360\352\311e\351\177\000\000@\351\311e\351\177\000\000\220\347\311e\351\177", '\000' <repeats 153 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9722f7ab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "@>\236e\351\177\000\000\000b\323e\351\177\000\000@\360>f\351\177\000\000 \361>f\351\177\000\000\000\362>f\351\177\000\000 a\354g\351\177\000\000\000b\354g\351\177\000\000\340b\354g\351\177\000\000\340i\354g\351\177\000\000@\267 l\351\177\000\000\000\271 l\351\177\000\000\200\274 l\351\177\000\000\300\323&l\351\177\000\000\240\333&l\351\177\000\000@\020wp\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9722f7bd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "@\020wp\351\177\000\000\240\333&l\351\177\000\000\300\323&l\351\177\000\000\200\274 l\351\177\000\000\000\271 l\351\177\000\000@\267 l\351\177\000\000\340i\354g\351\177\000\000\340b\354g\351\177\000\000\000b\354g\351\177\000\000 a\354g\351\177\000\000\000\362>f\351\177\000\000 \361>f\351\177\000\000@\360>f\351\177\000\000\000b\323e\351\177\000\000@>\236e\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe9722f7d38, mPrev = 0x7fe9722f7d38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe9722f76b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe9722f7da0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe9722f7df0, mPrev = 0x7fe9722f7df0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe9722f7e38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b090) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b090) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b090
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640619824896, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236119917119939822, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 9 (Thread 0x7fe968f71700 (LWP 4812)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe998c5a7a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe968f70b50, __canceltype = -1993163968, __prev = 0x0}
>        cbuffer = {wseq = 660, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 660
>        seq = 330
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe998c5a780, mutex=0x7fe998c5a750) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe998c5a780
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe989f447b6 in mozilla::CondVar::Wait (this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::Monitor::Wait (this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:38
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:202
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe9680c25a0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9680aec40}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9680c25a0}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\r\367h\351\177\000\000I\344\063\211\351\177\000\000\000\000\320\230\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\r\367h\351\177\000\000PT\006h\351\177\000\000\320\r\367h\351\177\000\000@\354\nh\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "\360\002\320\230\351\177\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe968f70dd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe9680aec40
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe9680aec40, aMayWait=aMayWait@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752aa in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:334
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe9680aec40
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe9683df740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe9683df740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe9683df740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe9683df740, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe9683df740}
>        initData = 0x0
>        self = 0x7fe9680aec40
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe9683b2ca0) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4812
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640465131264, 246508794491427602, 140728683029854, 140728683029855, 140728683030016, 140728683030016, -236131532322120942, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 10 (Thread 0x7fe96e5ff700 (LWP 4555)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe96e5febc8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe96e5feb70, cond=0x7fe96e5feba0) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96e5feab0, __canceltype = 1851779792, __prev = 0x0}
>        cbuffer = {wseq = 0, cond = 0x7fe96e5feba0, mutex = 0x7fe96e5feb70, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 0
>        seq = 0
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe96e5feba0, mutex=0x7fe96e5feb70) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe9897484ed in ConditionVariable::Wait (this=this@entry=0x7fe96e5feba0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/condition_variable_posix.cc:61
>        rv = <optimized out>
>#4  0x00007fe989755348 in base::WaitableEvent::TimedWait (this=this@entry=0x7fe9737f5ad8, max_time=...) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/waitable_event_posix.cc:197
>        current_time = <optimized out>
>        end_time = <optimized out>
>        finite_time = false
>        lock = {lock_ = {native_handle_ = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 12 times>, "\001", '\000' <repeats 26 times>, __align = 0}}}
>        cv = {condition_ = {__data = {{__wseq = 2, __wseq32 = {__low = 2, __high = 0}}, {__g1_start = 0, __g1_start32 = {__low = 0, __high = 0}}, __g_refs = {2, 0}, __g_size = {0, 0}, __g1_orig_size = 0, __wrefs = 10, __g_signals = {0, 0}}, __size = "\002", '\000' <repeats 15 times>, "\002", '\000' <repeats 19 times>, "\n\000\000\000\000\000\000\000\000\000\000", __align = 2}, user_mutex_ = 0x7fe96e5feb70}
>        sw = {<base::WaitableEvent::Waiter> = {_vptr.Waiter = 0x7fe98ec4c258 <vtable for base::SyncWaiter+16>}, fired_ = false, cv_ = 0x7fe96e5feba0, lock_ = 0x7fe96e5feb70, signaling_event_ = 0x0}
>#5  0x00007fe989755388 in base::WaitableEvent::Wait (this=this@entry=0x7fe9737f5ad8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/time.h:373
>No locals.
>#6  0x00007fe98974978a in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_pump_default.cc:63
>        raiiObject62 = <optimized out>
>        raiiObject60 = {mProfilingStack = 0x7fe9767c3c80, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe9767c3c80}, <No data fields>}}
>        autorelease_pool = <optimized out>
>        did_work = <optimized out>
>        raiiObject24 = {mProfilingStack = 0x7fe9767c3c80, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe9767c3c80}, <No data fields>}}
>        loop = <optimized out>
>        hangMonitor = {mThread = {mRawPtr = 0x0}, static kNoTimeout = 0}
>#7  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe96e5fed00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#8  MessageLoop::RunHandler (this=0x7fe96e5fed00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#9  MessageLoop::Run (this=this@entry=0x7fe96e5fed00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe96e5fed00, previous_state_ = 0x0}
>#10 0x00007fe9897571c5 in base::Thread::ThreadMain (this=0x7fe974fb9b00) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/thread.cc:181
>        raiiObject157 = {<No data fields>}
>        message_loop = {<base::MessagePump::Delegate> = {_vptr.Delegate = 0x7fe98ec4c070 <vtable for MessageLoop+16>}, type_ = MessageLoop::TYPE_DEFAULT, id_ = 7, work_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe974f568c0, _M_map_size = 8, _M_start = {_M_cur = 0x7fe96f115e18, _M_first = 0x7fe96f115e00, _M_last = 0x7fe96f115ff8, _M_node = 0x7fe974f568d8}, _M_finish = {_M_cur = 0x7fe96f115e18, _M_first = 0x7fe96f115e00, _M_last = 0x7fe96f115ff8, _M_node = 0x7fe974f568d8}}}, <No data fields>}}, delayed_work_queue_ = {c = {<std::_Vector_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, comp = {<std::binary_function<MessageLoop::PendingTask, MessageLoop::PendingTask, bool>> = {<No data fields>}, <No data fields>}}, deferred_non_nestable_work_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe974f56900, _M_map_size = 8, _M_start = {_M_cur = 0x7fe96f116000, _M_first = 0x7fe96f116000, _M_last = 0x7fe96f1161f8, _M_node = 0x7fe974f56918}, _M_finish = {_M_cur = 0x7fe96f116000, _M_first = 0x7fe96f116000, _M_last = 0x7fe96f1161f8, _M_node = 0x7fe974f56918}}}, <No data fields>}}, pump_ = {mRawPtr = 0x7fe9737f5ac0}, destruction_observers_ = {observers_ = {<std::_Vector_base<MessageLoop::DestructionObserver*, std::allocator<MessageLoop::DestructionObserver*> >> = {_M_impl = {<std::allocator<MessageLoop::DestructionObserver*>> = {<__gnu_cxx::new_allocator<MessageLoop::DestructionObserver*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7fe974f80030, _M_finish = 0x7fe974f80040, _M_end_of_storage = 0x7fe974f80040}}, <No data fields>}, notify_depth_ = 0, type_ = base::ObserverList<MessageLoop::DestructionObserver, false>::NOTIFY_ALL}, nestable_tasks_allowed_ = true, exception_restoration_ = false, thread_name_ = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fe9767c5660 "ImageBridgeChild"}, _M_string_length = 16, {_M_local_buf = "\036", '\000' <repeats 14 times>, _M_allocated_capacity = 30}}, incoming_queue_ = {c = {<std::_Deque_base<MessageLoop::PendingTask, std::allocator<MessageLoop::PendingTask> >> = {_M_impl = {<std::allocator<MessageLoop::PendingTask>> = {<__gnu_cxx::new_allocator<MessageLoop::PendingTask>> = {<No data fields>}, <No data fields>}, _M_map = 0x7fe974f56940, _M_map_size = 8, _M_start = {_M_cur = 0x7fe96f116218, _M_first = 0x7fe96f116200, _M_last = 0x7fe96f1163f8, _M_node = 0x7fe974f56958}, _M_finish = {_M_cur = 0x7fe96f116218, _M_first = 0x7fe96f116200, _M_last = 0x7fe96f1163f8, _M_node = 0x7fe974f56958}}}, <No data fields>}}, incoming_queue_lock_ = {lock_ = {native_handle_ = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}}, state_ = 0x7fe96e5fecc0, run_depth_base_ = 1, shutting_down_ = false, transient_hang_timeout_ = 0, permanent_hang_timeout_ = 0, next_sequence_num_ = 0, mEventTarget = {mRawPtr = 0x7fe9737f5a90}}
>#11 0x00007fe9897474ce in ThreadFunc (closure=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/platform_thread_posix.cc:38
>        delegate = <optimized out>
>#12 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640555890432, 246508794491427602, 140728683029918, 140728683029919, 140728683030048, 140728683030048, -236128030850032878, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#13 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 11 (Thread 0x7fe9709bd700 (LWP 4572)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97065c63c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe97065c5e0, cond=0x7fe97065c610) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9709bccd0, __canceltype = 1889258752, __prev = 0x0}
>        cbuffer = {wseq = 4067, cond = 0x7fe97065c610, mutex = 0x7fe97065c5e0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4067
>        seq = 2033
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=0x7fe97065c610, mutex=0x7fe97065c5e0) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe98cd92ea0 in std::sys::unix::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys/unix/condvar.rs:78
>        r = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#4  std::sys_common::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/condvar.rs:51
>No locals.
>#5  std::sync::condvar::Condvar::wait (self=0x7fe973708608, guard=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sync/condvar.rs:214
>        lock = 0x80
>        lock = <optimized out>
>        poisoned = <optimized out>
>#6  rayon_core::sleep::Sleep::sleep (self=0x7fe9737085f0, worker_index=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:257
>        data = <optimized out>
>        state = <optimized out>
>#7  0x00007fe98cd9586c in rayon_core::sleep::Sleep::no_work_found (self=0x7fe9737085f0, worker_index=2, yields=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:89
>        arg0 = <optimized out>
>        arg0 = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#8  rayon_core::registry::WorkerThread::wait_until_cold (self=0x7fe9709bcdf8, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:569
>        yields = <optimized out>
>        abort_guard = <optimized out>
>#9  0x00007fe98cd9570d in rayon_core::registry::WorkerThread::wait_until (self=0x7fe974e5b5b0, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:543
>        arg0 = <optimized out>
>#10 rayon_core::registry::main_loop (registry=..., index=<optimized out>, worker=..., breadth_first=<optimized out>) at third_party/rust/rayon-core/src/registry.rs:674
>        worker_thread = <optimized out>
>        abort_guard = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>#11 rayon_core::registry::Registry::new::{{closure}} () at third_party/rust/rayon-core/src/registry.rs:134
>        breadth_first = <optimized out>
>        worker = <optimized out>
>        registry = <optimized out>
>        index = <optimized out>
>#12 std::sys_common::backtrace::__rust_begin_short_backtrace (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/backtrace.rs:136
>No locals.
>#13 0x00007fe98cd9530e in std::thread::Builder::spawn::{{closure}}::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:409
>        f = <optimized out>
>#14 <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (self=..., _args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:308
>No locals.
>#15 std::panicking::try::do_call (data=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:310
>        data = <optimized out>
>        f = <optimized out>
>#16 __rust_maybe_catch_panic (f=<optimized out>, data=<optimized out>, _data_ptr=<optimized out>, _vtable_ptr=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libpanic_abort/lib.rs:39
>No locals.
>#17 std::panicking::try (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:289
>        any_data = <optimized out>
>        any_vtable = <optimized out>
>        data = <optimized out>
>        r = <optimized out>
>#18 std::panic::catch_unwind (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:392
>No locals.
>#19 std::thread::Builder::spawn::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:408
>        their_thread = <optimized out>
>        f = <optimized out>
>        their_packet = <optimized out>
>        name = <optimized out>
>        try_result = <optimized out>
>#20 <F as alloc::boxed::FnBox<A>>::call_box (self=0x7fe97065c850, args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:640
>No locals.
>#21 0x00007fe98cdab162 in std::sys::unix::thread::Thread::new::thread_start (main=0x7fe97068b3b0) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:650
>No locals.
>#22 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640593368832, 246508794491427602, 140728683024798, 140728683024799, 140728683025056, 140728683025056, -236114320240682222, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#23 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 12 (Thread 0x7fe96f39c700 (LWP 4574)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97065c63c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe97065c5e0, cond=0x7fe97065c610) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96f39bcd0, __canceltype = 1866054912, __prev = 0x0}
>        cbuffer = {wseq = 4063, cond = 0x7fe97065c610, mutex = 0x7fe97065c5e0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4063
>        seq = 2031
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=0x7fe97065c610, mutex=0x7fe97065c5e0) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe98cd92ea0 in std::sys::unix::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys/unix/condvar.rs:78
>        r = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#4  std::sys_common::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/condvar.rs:51
>No locals.
>#5  std::sync::condvar::Condvar::wait (self=0x7fe973708608, guard=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sync/condvar.rs:214
>        lock = 0x80
>        lock = <optimized out>
>        poisoned = <optimized out>
>#6  rayon_core::sleep::Sleep::sleep (self=0x7fe9737085f0, worker_index=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:257
>        data = <optimized out>
>        state = <optimized out>
>#7  0x00007fe98cd9586c in rayon_core::sleep::Sleep::no_work_found (self=0x7fe9737085f0, worker_index=4, yields=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:89
>        arg0 = <optimized out>
>        arg0 = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#8  rayon_core::registry::WorkerThread::wait_until_cold (self=0x7fe96f39bdf8, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:569
>        yields = <optimized out>
>        abort_guard = <optimized out>
>#9  0x00007fe98cd9570d in rayon_core::registry::WorkerThread::wait_until (self=0x7fe974e5b650, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:543
>        arg0 = <optimized out>
>#10 rayon_core::registry::main_loop (registry=..., index=<optimized out>, worker=..., breadth_first=<optimized out>) at third_party/rust/rayon-core/src/registry.rs:674
>        worker_thread = <optimized out>
>        abort_guard = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>#11 rayon_core::registry::Registry::new::{{closure}} () at third_party/rust/rayon-core/src/registry.rs:134
>        breadth_first = <optimized out>
>        worker = <optimized out>
>        registry = <optimized out>
>        index = <optimized out>
>#12 std::sys_common::backtrace::__rust_begin_short_backtrace (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/backtrace.rs:136
>No locals.
>#13 0x00007fe98cd9530e in std::thread::Builder::spawn::{{closure}}::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:409
>        f = <optimized out>
>#14 <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (self=..., _args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:308
>No locals.
>#15 std::panicking::try::do_call (data=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:310
>        data = <optimized out>
>        f = <optimized out>
>#16 __rust_maybe_catch_panic (f=<optimized out>, data=<optimized out>, _data_ptr=<optimized out>, _vtable_ptr=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libpanic_abort/lib.rs:39
>No locals.
>#17 std::panicking::try (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:289
>        any_data = <optimized out>
>        any_vtable = <optimized out>
>        data = <optimized out>
>        r = <optimized out>
>#18 std::panic::catch_unwind (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:392
>No locals.
>#19 std::thread::Builder::spawn::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:408
>        their_thread = <optimized out>
>        f = <optimized out>
>        their_packet = <optimized out>
>        name = <optimized out>
>        try_result = <optimized out>
>#20 <F as alloc::boxed::FnBox<A>>::call_box (self=0x7fe97065c9d0, args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:640
>No locals.
>#21 0x00007fe98cdab162 in std::sys::unix::thread::Thread::new::thread_start (main=0x7fe97068b3f0) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:650
>No locals.
>#22 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640570164992, 246508794491427602, 140728683024798, 140728683024799, 140728683025056, 140728683025056, -236131107657229550, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#23 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 13 (Thread 0x7fe96ddfe700 (LWP 4556)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe9767ed9a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9767ed950, cond=0x7fe9767ed980) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96ddfdba0, __canceltype = 4096, __prev = 0x0}
>        cbuffer = {wseq = 0, cond = 0x7fe9767ed980, mutex = 0x7fe9767ed950, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 0
>        seq = 0
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe9767ed980, mutex=0x7fe9767ed950) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe9767ed980
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe98933afaf in mozilla::CondVar::Wait (this=0x7fe9767ed978) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent (this=0x7fe9767ed920, aMayWait=true, aPriority=0x7fe96ddfdcd8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/ThreadEventQueue.cpp:156
>        raiiObject155 = {mProfilingStack = 0x7fe9767c3d60, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe9767c3d60}, <No data fields>}}
>        lock = {mLock = 0x7fe9767ed950}
>        event = <optimized out>
>#6  0x00007fe98933d708 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:983
>        priority = mozilla::EventPriority::Normal
>        event = <optimized out>
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\335\337m\351\177\000\000I\344\063\211\351\177\000\000`=|v\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\335\337m\351\177\000\000\240\003\361t\351\177\000\000\320\335\337m\351\177\000\000\200\070\376t\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe96ddfddd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe974fe3880
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#7  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe974fe3880, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#8  0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe974fe3880
>        autoReleasePool = <optimized out>
>#9  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe974ffd200) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#10 MessageLoop::RunHandler (this=0x7fe974ffd200) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#11 MessageLoop::Run (this=this@entry=0x7fe974ffd200) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe974ffd200, previous_state_ = 0x0}
>#12 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe974ffd200}
>        initData = 0x0
>        self = 0x7fe974fe3880
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#13 0x00007fe9991083f8 in _pt_root (arg=0x7fe96f243940) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4556
>#14 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640547497728, 246508794491427602, 140728683029614, 140728683029615, 140728683029776, 140728683029776, -236124730704536814, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#15 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 14 (Thread 0x7fe96f0ff700 (LWP 4551)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe998c5a9ac) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe998c5a950, cond=0x7fe998c5a980) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96f0feba0, __canceltype = 1863314903, __prev = 0x0}
>        cbuffer = {wseq = 283, cond = 0x7fe998c5a980, mutex = 0x7fe998c5a950, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 283
>        seq = 141
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe998c5a980, mutex=0x7fe998c5a950) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe998c5a980
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe98933afaf in mozilla::CondVar::Wait (this=0x7fe998c5a978) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent (this=0x7fe998c5a920, aMayWait=true, aPriority=0x7fe96f0fecd8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/ThreadEventQueue.cpp:156
>        raiiObject155 = {mProfilingStack = 0x7fe9767c3580, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe9767c3580}, <No data fields>}}
>        lock = {mLock = 0x7fe998c5a950}
>        event = <optimized out>
>#6  0x00007fe98933d708 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:983
>        priority = mozilla::EventPriority::Normal
>        event = <optimized out>
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\355\017o\351\177\000\000I\344\063\211\351\177\000\000\200\065|v\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\355\017o\351\177\000\000\340\300wv\351\177\000\000\320\355\017o\351\177\000\000\000\067\376t\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "!4c\232\351\177\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe96f0fedd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe974fe3700
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#7  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe974fe3700, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#8  0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe974fe3700
>        autoReleasePool = <optimized out>
>#9  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe998c50ac0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#10 MessageLoop::RunHandler (this=0x7fe998c50ac0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#11 MessageLoop::Run (this=this@entry=0x7fe998c50ac0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe998c50ac0, previous_state_ = 0x0}
>#12 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe998c50ac0}
>        initData = 0x0
>        self = 0x7fe974fe3700
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#13 0x00007fe9991083f8 in _pt_root (arg=0x7fe96f243700) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4551
>#14 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640567424768, 246508794491427602, 140728683028574, 140728683028575, 140728683028736, 140728683028736, -236130642190148846, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#15 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 15 (Thread 0x7fe9709fe700 (LWP 4571)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97065c63c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe97065c5e0, cond=0x7fe97065c610) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9709fdcd0, __canceltype = 1889524992, __prev = 0x0}
>        cbuffer = {wseq = 4059, cond = 0x7fe97065c610, mutex = 0x7fe97065c5e0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4059
>        seq = 2029
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=0x7fe97065c610, mutex=0x7fe97065c5e0) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe98cd92ea0 in std::sys::unix::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys/unix/condvar.rs:78
>        r = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#4  std::sys_common::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/condvar.rs:51
>No locals.
>#5  std::sync::condvar::Condvar::wait (self=0x7fe973708608, guard=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sync/condvar.rs:214
>        lock = 0x80
>        lock = <optimized out>
>        poisoned = <optimized out>
>#6  rayon_core::sleep::Sleep::sleep (self=0x7fe9737085f0, worker_index=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:257
>        data = <optimized out>
>        state = <optimized out>
>#7  0x00007fe98cd9586c in rayon_core::sleep::Sleep::no_work_found (self=0x7fe9737085f0, worker_index=1, yields=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:89
>        arg0 = <optimized out>
>        arg0 = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#8  rayon_core::registry::WorkerThread::wait_until_cold (self=0x7fe9709fddf8, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:569
>        yields = <optimized out>
>        abort_guard = <optimized out>
>#9  0x00007fe98cd9570d in rayon_core::registry::WorkerThread::wait_until (self=0x7fe974e5b560, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:543
>        arg0 = <optimized out>
>#10 rayon_core::registry::main_loop (registry=..., index=<optimized out>, worker=..., breadth_first=<optimized out>) at third_party/rust/rayon-core/src/registry.rs:674
>        worker_thread = <optimized out>
>        abort_guard = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>#11 rayon_core::registry::Registry::new::{{closure}} () at third_party/rust/rayon-core/src/registry.rs:134
>        breadth_first = <optimized out>
>        worker = <optimized out>
>        registry = <optimized out>
>        index = <optimized out>
>#12 std::sys_common::backtrace::__rust_begin_short_backtrace (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/backtrace.rs:136
>No locals.
>#13 0x00007fe98cd9530e in std::thread::Builder::spawn::{{closure}}::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:409
>        f = <optimized out>
>#14 <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (self=..., _args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:308
>No locals.
>#15 std::panicking::try::do_call (data=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:310
>        data = <optimized out>
>        f = <optimized out>
>#16 __rust_maybe_catch_panic (f=<optimized out>, data=<optimized out>, _data_ptr=<optimized out>, _vtable_ptr=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libpanic_abort/lib.rs:39
>No locals.
>#17 std::panicking::try (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:289
>        any_data = <optimized out>
>        any_vtable = <optimized out>
>        data = <optimized out>
>        r = <optimized out>
>#18 std::panic::catch_unwind (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:392
>No locals.
>#19 std::thread::Builder::spawn::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:408
>        their_thread = <optimized out>
>        f = <optimized out>
>        their_packet = <optimized out>
>        name = <optimized out>
>        try_result = <optimized out>
>#20 <F as alloc::boxed::FnBox<A>>::call_box (self=0x7fe97065c790, args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:640
>No locals.
>#21 0x00007fe98cdab162 in std::sys::unix::thread::Thread::new::thread_start (main=0x7fe97068b390) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:650
>No locals.
>#22 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640593635072, 246508794491427602, 140728683024798, 140728683024799, 140728683025056, 140728683025056, -236114285344072942, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#23 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 16 (Thread 0x7fe96c5ab700 (LWP 7491)):
>#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7fe96c5aaad0, expected=0, futex_word=0x7fe998c5a7ac) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7fe96c5aab80, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:533
>        rt = {tv_sec = 599, tv_nsec = 999999705}
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96c5aab00, __canceltype = 1, __prev = 0x0}
>        cbuffer = {wseq = 663, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 663
>        seq = 331
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7fe998c5a780, mutex=mutex@entry=0x7fe998c5a750, abstime=abstime@entry=0x7fe96c5aab80) at pthread_cond_wait.c:667
>No locals.
>#3  0x000055b40c986a94 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:153
>        ptCond = 0x7fe998c5a780
>        ptMutex = 0x7fe998c5a750
>        r = <optimized out>
>        rel_time = {mValue = 600000000000}
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 4549, tv_nsec = 135312470}
>        abs_ts = {tv_sec = 5149, tv_nsec = 135312470}
>#4  0x00007fe989f44736 in mozilla::CondVar::Wait (aDuration=..., this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:74
>        raiiObject72 = <optimized out>
>        raiiObject72 = <optimized out>
>#5  mozilla::Monitor::Wait (aDuration=..., this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:39
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:215
>        now = {mValue = 4549135312040}
>        delta = <optimized out>
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe9652bf8e0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9683c0b80}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9652bf8e0}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\255Zl\351\177\000\000I\344\063\211\351\177\000\000\340\302Qe\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\255Zl\351\177\000\000\360\342\006h\351\177\000\000\320\255Zl\351\177\000\000\200\v<h\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe96c5aadd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe9683c0b80
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe9683c0b80, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe9683c0b80
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe9694703c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe9694703c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe9694703c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe9694703c0, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe9694703c0}
>        initData = 0x0
>        self = 0x7fe9683c0b80
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe968375160) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551100
>        tid = 7491
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640521991936, 246508794491427602, 140728683027694, 140728683027695, 140728683027856, 140728683027856, -236123677900678382, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 17 (Thread 0x7fe96cdfc700 (LWP 4558)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe9767edc28) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9767edbd0, cond=0x7fe9767edc00) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96cdfbba0, __canceltype = 0, __prev = 0x0}
>        cbuffer = {wseq = 4, cond = 0x7fe9767edc00, mutex = 0x7fe9767edbd0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4
>        seq = 2
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe9767edc00, mutex=0x7fe9767edbd0) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe9767edc00
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe98933afaf in mozilla::CondVar::Wait (this=0x7fe9767edbf8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent (this=0x7fe9767edba0, aMayWait=true, aPriority=0x7fe96cdfbcd8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/ThreadEventQueue.cpp:156
>        raiiObject155 = {mProfilingStack = 0x7fe9767f0a50, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe9767f0a50}, <No data fields>}}
>        lock = {mLock = 0x7fe9767edbd0}
>        event = <optimized out>
>#6  0x00007fe98933d708 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:983
>        priority = mozilla::EventPriority::Normal
>        event = <optimized out>
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\275\337l\351\177\000\000I\344\063\211\351\177\000\000P\n\177v\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\275\337l\351\177\000\000P\017yv\351\177\000\000\320\275\337l\351\177\000\000\200\333ps\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe96cdfbdd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe97370db80
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#7  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe97370db80, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#8  0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe97370db80
>        autoReleasePool = <optimized out>
>#9  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe974ffd740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#10 MessageLoop::RunHandler (this=0x7fe974ffd740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#11 MessageLoop::Run (this=this@entry=0x7fe974ffd740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe974ffd740, previous_state_ = 0x0}
>#12 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe974ffd740}
>        initData = 0x0
>        self = 0x7fe97370db80
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#13 0x00007fe9991083f8 in _pt_root (arg=0x7fe96f243b80) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4558
>#14 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640530712320, 246508794491427602, 140728683029694, 140728683029695, 140728683029856, 140728683029856, -236122534902506734, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#15 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 18 (Thread 0x7fe972efe700 (LWP 4538)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe972efd5c0, __canceltype = 1555753696, __prev = 0x0}
>        cbuffer = {wseq = 14047, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14047
>        seq = 7023
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683029856, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640630591489, 140640630591489, 140640630591489}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe973804800}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640632434688, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe9712ef740}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972efd888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\200\002\\U\351\177\000\000\060\004\\U\351\177\000\000\340\005\\U\351\177\000\000\220\a\\U\351\177\000\000@\t\\U\351\177\000\000\360\n\\U\351\177\000\000\240\f\\U\351\177\000\000P\016\\U\351\177\000\000\300\300\311e\351\177\000\000p\302\311e\351\177\000\000 \304\311e\351\177\000\000\320\305\311e\351\177\000\000p=\206s\351\177\000\000\220,\206s\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972efd9a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\320\305\311e\351\177\000\000 \304\311e\351\177\000\000p\302\311e\351\177\000\000\300\300\311e\351\177\000\000P\016\\U\351\177\000\000\240\f\\U\351\177\000\000\360\n\\U\351\177\000\000@\t\\U\351\177\000\000\220\a\\U\351\177\000\000\340\005\\U\351\177\000\000\060\004\\U\351\177\000\000\200\002\\U\351\177\000\000 \377sp\351\177\000\000\360/?f\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972efdab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\240\313tV\351\177\000\000\200\314tV\351\177\000\000`\315tV\351\177\000\000@\316tV\351\177\000\000 \317tV\351\177\000\000@\300U\\\351\177\000\000\000\302U\\\351\177\000\000\000\311U\\\351\177\000\000\240\313U\\\351\177\000\000@\316U\\\351\177\000\000 \317U\\\351\177\000\000\000\071\236e\351\177\000\000\340\071\236e\351\177\000\000\240\324&l\351\177\000\000\200\325&l\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972efdbd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\340\071\236e\351\177\000\000\000\071\236e\351\177\000\000 \317U\\\351\177\000\000@\316U\\\351\177\000\000\240\313U\\\351\177\000\000\000\311U\\\351\177\000\000\000\302U\\\351\177\000\000@\300U\\\351\177\000\000 \317tV\351\177\000\000@\316tV\351\177\000\000`\315tV\351\177\000\000\200\314tV\351\177\000\000\240\313tV\351\177\000\000@\260 l\351\177\000\000 \177\024h\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe972efdd38, mPrev = 0x7fe972efdd38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe972efd6b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe972efdda0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe972efddf0, mPrev = 0x7fe972efddf0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe972efde38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b030) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b030) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b030
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640632432384, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236118271073723630, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 19 (Thread 0x7fe9685fe700 (LWP 4818)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe998c5a7ac) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9685fdb50, __canceltype = 1703833608, __prev = 0x0}
>        cbuffer = {wseq = 669, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 669
>        seq = 334
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe998c5a780, mutex=0x7fe998c5a750) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe998c5a780
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe989f447b6 in mozilla::CondVar::Wait (this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::Monitor::Wait (this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:38
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:202
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe96805f480) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe967f63700}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe96805f480}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\335_h\351\177\000\000I\344\063\211\351\177\000\000\340\211\016h\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\335_h\351\177\000\000\020G\370g\351\177\000\000\320\335_h\351\177\000\000\000\067\366g\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe9685fddd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe967f63700
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe967f63700, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe967f63700
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe9680eec80) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe9680eec80) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe9680eec80) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe9680eec80, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe9680eec80}
>        initData = 0x0
>        self = 0x7fe967f63700
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe9683b2b80) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4818
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640455223040, 246508794491427602, 140728683029854, 140728683029855, 140728683030016, 140728683030016, -236132427285931246, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 20 (Thread 0x7fe97097c700 (LWP 4573)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97065c63c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe97065c5e0, cond=0x7fe97065c610) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe97097bcd0, __canceltype = 1888992512, __prev = 0x0}
>        cbuffer = {wseq = 4061, cond = 0x7fe97065c610, mutex = 0x7fe97065c5e0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4061
>        seq = 2030
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=0x7fe97065c610, mutex=0x7fe97065c5e0) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe98cd92ea0 in std::sys::unix::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys/unix/condvar.rs:78
>        r = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#4  std::sys_common::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/condvar.rs:51
>No locals.
>#5  std::sync::condvar::Condvar::wait (self=0x7fe973708608, guard=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sync/condvar.rs:214
>        lock = 0x80
>        lock = <optimized out>
>        poisoned = <optimized out>
>#6  rayon_core::sleep::Sleep::sleep (self=0x7fe9737085f0, worker_index=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:257
>        data = <optimized out>
>        state = <optimized out>
>#7  0x00007fe98cd9586c in rayon_core::sleep::Sleep::no_work_found (self=0x7fe9737085f0, worker_index=3, yields=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:89
>        arg0 = <optimized out>
>        arg0 = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#8  rayon_core::registry::WorkerThread::wait_until_cold (self=0x7fe97097bdf8, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:569
>        yields = <optimized out>
>        abort_guard = <optimized out>
>#9  0x00007fe98cd9570d in rayon_core::registry::WorkerThread::wait_until (self=0x7fe974e5b600, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:543
>        arg0 = <optimized out>
>#10 rayon_core::registry::main_loop (registry=..., index=<optimized out>, worker=..., breadth_first=<optimized out>) at third_party/rust/rayon-core/src/registry.rs:674
>        worker_thread = <optimized out>
>        abort_guard = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>#11 rayon_core::registry::Registry::new::{{closure}} () at third_party/rust/rayon-core/src/registry.rs:134
>        breadth_first = <optimized out>
>        worker = <optimized out>
>        registry = <optimized out>
>        index = <optimized out>
>#12 std::sys_common::backtrace::__rust_begin_short_backtrace (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/backtrace.rs:136
>No locals.
>#13 0x00007fe98cd9530e in std::thread::Builder::spawn::{{closure}}::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:409
>        f = <optimized out>
>#14 <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (self=..., _args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:308
>No locals.
>#15 std::panicking::try::do_call (data=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:310
>        data = <optimized out>
>        f = <optimized out>
>#16 __rust_maybe_catch_panic (f=<optimized out>, data=<optimized out>, _data_ptr=<optimized out>, _vtable_ptr=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libpanic_abort/lib.rs:39
>No locals.
>#17 std::panicking::try (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:289
>        any_data = <optimized out>
>        any_vtable = <optimized out>
>        data = <optimized out>
>        r = <optimized out>
>#18 std::panic::catch_unwind (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:392
>No locals.
>#19 std::thread::Builder::spawn::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:408
>        their_thread = <optimized out>
>        f = <optimized out>
>        their_packet = <optimized out>
>        name = <optimized out>
>        try_result = <optimized out>
>#20 <F as alloc::boxed::FnBox<A>>::call_box (self=0x7fe97065c910, args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:640
>No locals.
>#21 0x00007fe98cdab162 in std::sys::unix::thread::Thread::new::thread_start (main=0x7fe97068b3d0) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:650
>No locals.
>#22 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640593102592, 246508794491427602, 140728683024798, 140728683024799, 140728683025056, 140728683025056, -236114219845821678, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#23 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 21 (Thread 0x7fe966dfb700 (LWP 7575)):
>#0  0x00007fe9998163e9 in __GI___poll (fds=0x7fe959ce7ea8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007fe994cdabe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fe959ce7ea8, timeout=<optimized out>, context=0x7fe963c762f0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7fe994cea520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=context@entry=0x7fe963c762f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7fe959ce7ea8
>#3  0x00007fe994cdad10 in g_main_context_iteration (context=context@entry=0x7fe963c762f0, may_block=may_block@entry=1) at gmain.c:3964
>        retval = <optimized out>
>#4  0x00007fe958ffae4d in dconf_gdbus_worker_thread (user_data=0x7fe963c762f0) at ../gdbus/dconf-gdbus-thread.c:82
>        context = 0x7fe963c762f0
>#5  0x00007fe994d02f2a in g_thread_proxy (data=0x7fe963cdad30) at gthread.c:784
>        thread = 0x7fe963cdad30
>        __func__ = "g_thread_proxy"
>#6  0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640430044928, 246508794491427602, 140728683020814, 140728683020815, 140728683020944, 140728683020944, -236144525671933166, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 22 (Thread 0x7fe9711ff700 (LWP 4549)):
>#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7fe9711feb40, expected=0, futex_word=0x7fe998c5a040) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7fe9711febf0, mutex=0x7fe998c59fe8, cond=0x7fe998c5a018) at pthread_cond_wait.c:533
>        rt = {tv_sec = 0, tv_nsec = 15871225}
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9711feb70, __canceltype = 40, __prev = 0x0}
>        cbuffer = {wseq = 120018, cond = 0x7fe998c5a018, mutex = 0x7fe998c59fe8, private = 0}
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 120018
>        seq = 60009
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7fe998c5a018, mutex=mutex@entry=0x7fe998c59fe8, abstime=abstime@entry=0x7fe9711febf0) at pthread_cond_wait.c:667
>No locals.
>#3  0x000055b40c986a94 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:153
>        ptCond = 0x7fe998c5a018
>        ptMutex = 0x7fe998c59fe8
>        r = <optimized out>
>        rel_time = {mValue = 15874149}
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 5062, tv_nsec = 47813807}
>        abs_ts = {tv_sec = 5062, tv_nsec = 63687956}
>#4  0x00007fe9893442a4 in mozilla::CondVar::Wait (aDuration=..., this=0x7fe998c5a010) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:74
>        raiiObject72 = <optimized out>
>        raiiObject72 = <optimized out>
>#5  mozilla::Monitor::Wait (aDuration=..., this=0x7fe998c59fe8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:39
>No locals.
>#6  TimerThread::Run() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/TimerThread.cpp:542
>        waitFor = {mValue = 15874149}
>        forceRunThisTimer = <optimized out>
>        lock = {mMonitor = 0x7fe998c59fe8}
>        usForPosInterval = <optimized out>
>        usIntervalResolution = <optimized out>
>        forceRunNextTimer = false
>#7  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe998c59fc0}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\355\037q\351\177\000\000I\344\063\211\351\177\000\000\000\000\320\230\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\355\037q\351\177\000\000\060\v\361t\351\177\000\000\320\355\037q\351\177\000\000@3\376t\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "\370\000\320\230\351\177\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe9711fedd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe974fe3340
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#8  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe974fe3340, aMayWait=aMayWait@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#9  0x00007fe9897752aa in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:334
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe974fe3340
>        autoReleasePool = <optimized out>
>#10 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe998c50580) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#11 MessageLoop::RunHandler (this=0x7fe998c50580) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#12 MessageLoop::Run (this=this@entry=0x7fe998c50580) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe998c50580, previous_state_ = 0x0}
>#13 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe998c50580}
>        initData = 0x0
>        self = 0x7fe974fe3340
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#14 0x00007fe9991083f8 in _pt_root (arg=0x7fe998cc65e0) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551100
>        tid = 4549
>#15 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640602027776, 246508794491427602, 140728683007550, 140728683007551, 140728683007712, 140728683007712, -236117585489569006, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#16 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 23 (Thread 0x7fe971ef6700 (LWP 4546)):
>#0  0x00007fe9998163e9 in __GI___poll (fds=fds@entry=0x7fe971ef58e0, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007fe9991040f0 in poll (__timeout=-1, __nfds=1, __fds=0x7fe971ef58e0) at /usr/include/bits/poll2.h:46
>No locals.
>#2  _pr_poll_with_poll (pds=pds@entry=0x7fe97372fc00, npds=npds@entry=1, timeout=timeout@entry=4294967295) at ../../.././nspr/pr/src/pthreads/ptio.c:4023
>        stack_syspoll = {{fd = 30, events = 3, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 1700170768, events = 32745, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 7, events = 0, revents = 0}, {fd = -1731879456, events = 32745, revents = 0}, {fd = 2, events = 0, revents = 0}, {fd = -1896175840, events = 32745, revents = 0}, {fd = 1911511408, events = 32745, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 1911511424, events = 32745, revents = 0}, {fd = 1542145096, events = 32745, revents = 0}, {fd = -1, events = 0, revents = 0}, {fd = -398578176, events = 7787, revents = 27248}, {fd = 1, events = 0, revents = 0}, {fd = -1896175840, events = 32745, revents = 0}, {fd = 1911511472, events = 32745, revents = 0}, {fd = 1885722880, events = 32745, revents = 0}, {fd = -1, events = 0, revents = 0}, {fd = -1731435328, events = 32745, revents = 0}, {fd = 1, events = 0, revents = 0}, {fd = -1700268596, events = 32745, revents = 0}, {fd = 1961767136, events = 32745, revents = 0}, {fd = -1988614854, events = 32745, revents = 0}, {fd = 1542145096, events = 32745, revents = 0}, {fd = 211316042, events = 21940, revents = 0}, {fd = 1961767136, events = 32745, revents = 0}, {fd = -1988611154, events = 32745, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 1961767136, events = 32745, revents = 0}, {fd = 1961767136, events = 32745, revents = 0}, {fd = 1911488512, events = 1, revents = 0}, {fd = 0, events = -1, revents = -1}, {fd = 211308975, events = 21940, revents = 0}, {fd = 48, events = 0, revents = 0}, {fd = 211316122, events = 21940, revents = 0}, {fd = -1731878176, events = 32745, revents = 0}, {fd = -1993101303, events = 32745, revents = 0}, {fd = 1542145160, events = 32745, revents = 0}, {fd = 211308975, events = 21940, revents = 0}, {fd = 48, events = 0, revents = 0}, {fd = -1731198672, events = 32745, revents = 0}, {fd = 1, events = 0, revents = 0}, {fd = 1936818432, events = 32745, revents = 0}, {fd = 1911511768, events = 32745, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = -1731435592, events = 32745, revents = 0}, {fd = 1911512023, events = 32745, revents = 0}, {fd = 1, events = 0, revents = 0}, {fd = -1993115427, events = 32745, revents = 0}, {fd = 1700171008, events = 32745, revents = 0}, {fd = -1992458949, events = 0, revents = 0}, {fd = 1911512023, events = 32745, revents = 0}, {fd = -1993090889, events = 32745, revents = 0}, {fd = 2, events = 32745, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 7, events = 0, revents = 0}, {fd = 59, events = 0, revents = 0}, {fd = -1731198952, events = 32745, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = -1704774623, events = 32745, revents = 0}, {fd = 211316122, events = 21940, revents = 0}}
>        syspoll = <optimized out>
>        index = <optimized out>
>        msecs = -1
>        ready = <optimized out>
>        start = 0
>        elapsed = <optimized out>
>        remaining = <optimized out>
>#3  0x00007fe999106f19 in PR_Poll (pds=pds@entry=0x7fe97372fc00, npds=npds@entry=1, timeout=timeout@entry=4294967295) at ../../.././nspr/pr/src/pthreads/ptio.c:4426
>No locals.
>#4  0x00007fe9893eccb6 in mozilla::net::nsSocketTransportService::Poll (this=this@entry=0x7fe998cc63a0, pollDuration=pollDuration@entry=0x7fe971ef5c48, ts=ts@entry=4630647) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/netwerk/base/nsSocketTransportService2.cpp:567
>        pollList = 0x7fe97372fc00
>        pollCount = 1
>        pollTimeout = 4294967295
>        pendingEvents = false
>        pollStart = {mValue = 0}
>        rv = <optimized out>
>#5  0x00007fe9893ee30d in mozilla::net::nsSocketTransportService::DoPollIteration (this=this@entry=0x7fe998cc63a0, pollDuration=pollDuration@entry=0x7fe971ef5c48) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/netwerk/base/nsSocketTransportService2.cpp:1215
>        now = 4630647
>        i = -1
>        count = <optimized out>
>        n = 0
>#6  0x00007fe9893ee578 in mozilla::net::nsSocketTransportService::Run (this=0x7fe998cc63a0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/netwerk/base/nsSocketTransportService2.cpp:987
>        pendingEvents = false
>        goingOffline = <optimized out>
>        threadInt = {<nsCOMPtr_base> = {mRawPtr = 0x7fe973718100}, <No data fields>}
>        startOfCycleForLastCycleCalc = <optimized out>
>        numberOfPendingEventsLastCycle = 0
>        pollCycleStart = {mValue = 0}
>        singlePollDuration = {mValue = 0}
>        startOfIteration = {mValue = 0}
>        startOfNextIteration = {mValue = 0}
>        numberOfPendingEvents = 0
>        pollDuration = {mValue = 0}
>#7  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe998cc63c0}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200]\357q\351\177\000\000I\344\063\211\351\177", '\000' <repeats 11 times>, ".>\350k\036pj\001\000\000\000\351\177\000\000\200]\357q\351\177\000\000 \t\361t\351\177\000\000\320]\357q\351\177\000\000\000\201qs\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "\000\020\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe971ef5dd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe973718100
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#8  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe973718100, aMayWait=aMayWait@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#9  0x00007fe9897752aa in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:334
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe973718100
>        autoReleasePool = <optimized out>
>#10 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe998c503c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#11 MessageLoop::RunHandler (this=0x7fe998c503c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#12 MessageLoop::Run (this=this@entry=0x7fe998c503c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe998c503c0, previous_state_ = 0x0}
>#13 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe998c503c0}
>        initData = 0x0
>        self = 0x7fe973718100
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#14 0x00007fe9991083f8 in _pt_root (arg=0x7fe998cc64c0) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551100
>        tid = 4546
>#15 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640615622400, 246508794491427602, 140728683024654, 140728683024655, 140728683024816, 140728683024816, -236116067755500782, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#16 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 24 (Thread 0x7fe96f35b700 (LWP 4575)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97065c63c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe97065c5e0, cond=0x7fe97065c610) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96f35acd0, __canceltype = 1865788672, __prev = 0x0}
>        cbuffer = {wseq = 4065, cond = 0x7fe97065c610, mutex = 0x7fe97065c5e0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4065
>        seq = 2032
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=0x7fe97065c610, mutex=0x7fe97065c5e0) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe98cd92ea0 in std::sys::unix::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys/unix/condvar.rs:78
>        r = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#4  std::sys_common::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/condvar.rs:51
>No locals.
>#5  std::sync::condvar::Condvar::wait (self=0x7fe973708608, guard=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sync/condvar.rs:214
>        lock = 0x80
>        lock = <optimized out>
>        poisoned = <optimized out>
>#6  rayon_core::sleep::Sleep::sleep (self=0x7fe9737085f0, worker_index=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:257
>        data = <optimized out>
>        state = <optimized out>
>#7  0x00007fe98cd9586c in rayon_core::sleep::Sleep::no_work_found (self=0x7fe9737085f0, worker_index=5, yields=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:89
>        arg0 = <optimized out>
>        arg0 = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#8  rayon_core::registry::WorkerThread::wait_until_cold (self=0x7fe96f35adf8, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:569
>        yields = <optimized out>
>        abort_guard = <optimized out>
>#9  0x00007fe98cd9570d in rayon_core::registry::WorkerThread::wait_until (self=0x7fe974e5b6a0, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:543
>        arg0 = <optimized out>
>#10 rayon_core::registry::main_loop (registry=..., index=<optimized out>, worker=..., breadth_first=<optimized out>) at third_party/rust/rayon-core/src/registry.rs:674
>        worker_thread = <optimized out>
>        abort_guard = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>#11 rayon_core::registry::Registry::new::{{closure}} () at third_party/rust/rayon-core/src/registry.rs:134
>        breadth_first = <optimized out>
>        worker = <optimized out>
>        registry = <optimized out>
>        index = <optimized out>
>#12 std::sys_common::backtrace::__rust_begin_short_backtrace (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/backtrace.rs:136
>No locals.
>#13 0x00007fe98cd9530e in std::thread::Builder::spawn::{{closure}}::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:409
>        f = <optimized out>
>#14 <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (self=..., _args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:308
>No locals.
>#15 std::panicking::try::do_call (data=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:310
>        data = <optimized out>
>        f = <optimized out>
>#16 __rust_maybe_catch_panic (f=<optimized out>, data=<optimized out>, _data_ptr=<optimized out>, _vtable_ptr=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libpanic_abort/lib.rs:39
>No locals.
>#17 std::panicking::try (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:289
>        any_data = <optimized out>
>        any_vtable = <optimized out>
>        data = <optimized out>
>        r = <optimized out>
>#18 std::panic::catch_unwind (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:392
>No locals.
>#19 std::thread::Builder::spawn::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:408
>        their_thread = <optimized out>
>        f = <optimized out>
>        their_packet = <optimized out>
>        name = <optimized out>
>        try_result = <optimized out>
>#20 <F as alloc::boxed::FnBox<A>>::call_box (self=0x7fe97065ca90, args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:640
>No locals.
>#21 0x00007fe98cdab162 in std::sys::unix::thread::Thread::new::thread_start (main=0x7fe97068b410) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:650
>No locals.
>#22 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640569898752, 246508794491427602, 140728683024798, 140728683024799, 140728683025056, 140728683025056, -236131005114885358, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#23 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 25 (Thread 0x7fe9720f7700 (LWP 4545)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9720f65c0, __canceltype = -1704774623, __prev = 0x0}
>        cbuffer = {wseq = 14053, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14053
>        seq = 7026
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683029936, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640615882753, 140640615882753, 140640615882753}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe973804ad8}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640617725952, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe9712efce0}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9720f6888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\220\347\311e\351\177\000\000@\351\311e\351\177\000\000\360\352\311e\351\177\000\000p\"?f\351\177\000\000 $?f\351\177\000\000\320%?f\351\177\000\000\240Q#h\351\177\000\000PS#h\351\177\000\000\000U#h\351\177\000\000\260V#h\351\177\000\000`X#h\351\177\000\000\020Z#h\351\177\000\000\300[#h\351\177\000\000p]#h\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9720f69a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "p]#h\351\177\000\000\300[#h\351\177\000\000\020Z#h\351\177\000\000`X#h\351\177\000\000\260V#h\351\177\000\000\000U#h\351\177\000\000PS#h\351\177\000\000\240Q#h\351\177\000\000 $?f\351\177\000\000\320%?f\351\177\000\000\360\352\311e\351\177\000\000p\"?f\351\177\000\000@\351\311e\351\177\000\000\220\347\311e\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9720f6ab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "`\315U\\\351\177\000\000@\316U\\\351\177\000\000 \317U\\\351\177\000\000\000\071\236e\351\177\000\000\340\071\236e\351\177\000\000\300:\236e\351\177\000\000\240;\236e\351\177\000\000`=\236e\351\177\000\000@>\236e\351\177\000\000\000b\323e\351\177\000\000@\360>f\351\177\000\000 \361>f\351\177\000\000\000\362>f\351\177\000\000 a\354g\351\177\000\000\000b\354g\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9720f6bd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\000b\354g\351\177\000\000 a\354g\351\177\000\000\000\362>f\351\177\000\000 \361>f\351\177\000\000@\360>f\351\177\000\000\000b\323e\351\177\000\000@>\236e\351\177\000\000`=\236e\351\177\000\000\240;\236e\351\177\000\000\300:\236e\351\177\000\000\340\071\236e\351\177\000\000\000\071\236e\351\177\000\000 \317U\\\351\177\000\000@\316U\\\351\177\000\000`\315U\\\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe9720f6d38, mPrev = 0x7fe9720f6d38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe9720f66b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe9720f6da0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe9720f6df0, mPrev = 0x7fe9720f6df0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe9720f6e38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b0a0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b0a0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b0a0
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640617723648, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236119642778903790, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 26 (Thread 0x7fe9724f9700 (LWP 4543)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9724f85c0, __canceltype = 1917814256, __prev = 0x0}
>        cbuffer = {wseq = 14049, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14049
>        seq = 7024
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683030256, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640620085249, 140640620085249, 140640620085249}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe973804a08}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640621928448, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe965eb08d0}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9724f8888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "P\016\\U\351\177\000\000\300\300\311e\351\177\000\000p\302\311e\351\177\000\000 \304\311e\351\177\000\000\320\305\311e\351\177\000\000\200\307\311e\351\177\000\000\060\311\311e\351\177\000\000\340\312\311e\351\177\000\000\220\314\311e\351\177\000\000@\316\311e\351\177\000\000\360\317\311e\351\177\000\000P\323\311e\351\177\000\000\000\325\311e\351\177\000\000\260\326\311e\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9724f89a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\260\326\311e\351\177\000\000\000\325\311e\351\177\000\000P\323\311e\351\177\000\000\360\317\311e\351\177\000\000@\316\311e\351\177\000\000\220\314\311e\351\177\000\000\340\312\311e\351\177\000\000\060\311\311e\351\177\000\000\320\305\311e\351\177\000\000\200\307\311e\351\177\000\000p\302\311e\351\177\000\000 \304\311e\351\177\000\000\300\300\311e\351\177\000\000P\016\\U\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9724f8ab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "@\300U\\\351\177\000\000\000\302U\\\351\177\000\000\000\311U\\\351\177\000\000\340\311U\\\351\177\000\000\240\313U\\\351\177\000\000\200\314U\\\351\177\000\000@\316U\\\351\177\000\000 \317U\\\351\177\000\000\340\262\267\\\351\177\000\000`\266\267\\\351\177\000\000\300\272\267\\\351\177\000\000 a\333\\\351\177\000\000\000b\333\\\351\177\000\000\240d\333\\\351\177\000\000\200e\333\\\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9724f8bd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\200e\333\\\351\177\000\000\240d\333\\\351\177\000\000\000b\333\\\351\177\000\000 a\333\\\351\177\000\000\300\272\267\\\351\177\000\000`\266\267\\\351\177\000\000\340\262\267\\\351\177\000\000 \317U\\\351\177\000\000@\316U\\\351\177\000\000\200\314U\\\351\177\000\000\240\313U\\\351\177\000\000\340\311U\\\351\177\000\000\000\311U\\\351\177\000\000\000\302U\\\351\177\000\000@\300U\\\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe9724f8d38, mPrev = 0x7fe9724f8d38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe9724f86b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe9724f8da0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe9724f8df0, mPrev = 0x7fe9724f8df0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe9724f8e38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b080) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b080) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b080
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640621926144, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236119098391799022, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 27 (Thread 0x7fe972afc700 (LWP 4540)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe972afb5c0, __canceltype = 1924118000, __prev = 0x0}
>        cbuffer = {wseq = 14051, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14051
>        seq = 7025
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683030016, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640626388993, 140640626388993, 140640626388993}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe9738048d0}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640628232192, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe97137ad30}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972afb888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\340E?f\351\177\000\000\220G?f\351\177\000\000\360J?f\351\177\000\000\240L?f\351\177\000\000p\375sp\351\177\000\000 \377sp\351\177\000\000\060\004tp\351\177\000\000\340\005tp\351\177\000\000@\ttp\351\177\000\000\240\ftp\351\177\000\000P\016tp\351\177\000\000p\"\206s\351\177\000\000 ?\206s\351\177\000\000\320@\206s\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972afb9a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "p\"\206s\351\177\000\000P\016tp\351\177\000\000\240\ftp\351\177\000\000@\ttp\351\177\000\000\340\005tp\351\177\000\000\060\004tp\351\177\000\000 \377sp\351\177\000\000p\375sp\351\177\000\000\240L?f\351\177\000\000\360J?f\351\177\000\000\220G?f\351\177\000\000\340E?f\351\177\000\000\240L?f\351\177\000\000\360J?f\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972afbab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\000i\354g\351\177\000\000\340i\354g\351\177\000\000\300j\354g\351\177\000\000\240k\354g\351\177\000\000\200l\354g\351\177\000\000@n\354g\351\177\000\000 o\354g\351\177\000\000\000r\024h\351\177\000\000\200u\024h\351\177\000\000 x\024h\351\177\000\000\240{\024h\351\177\000\000\200|\024h\351\177\000\000`}\024h\351\177\000\000\240\333&l\351\177\000\000\200\334&l\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972afbbd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "`}\024h\351\177\000\000\200|\024h\351\177\000\000\240{\024h\351\177\000\000 x\024h\351\177\000\000\200u\024h\351\177\000\000\000r\024h\351\177\000\000 o\354g\351\177\000\000@n\354g\351\177\000\000\200l\354g\351\177\000\000\240k\354g\351\177\000\000\300j\354g\351\177\000\000\340i\354g\351\177\000\000\000i\354g\351\177\000\000\340\271 l\351\177\000\000\000\271 l\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe972afbd38, mPrev = 0x7fe972afbd38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe972afb6b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe972afbda0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe972afbdf0, mPrev = 0x7fe972afbdf0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe972afbe38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b050) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b050) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b050
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640628229888, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236118824050762990, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 28 (Thread 0x7fe972cfd700 (LWP 4539)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe972cfc5c0, __canceltype = -1704774623, __prev = 0x0}
>        cbuffer = {wseq = 14057, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14057
>        seq = 7028
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683030096, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640628490241, 140640628490241, 140640628490241}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe973804868}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640630333440, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe971202c40}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972cfc888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "@.\206s\351\177\000\000\260\066\206s\351\177\000\000`8\206s\351\177\000\000\020:\206s\351\177\000\000\300;\206s\351\177\000\000p=\206s\351\177\000\000 ?\206s\351\177\000\000\320@\206s\351\177\000\000\200B\206s\351\177\000\000@I\206s\351\177\000\000p\302\311e\351\177\000\000 \304\311e\351\177\000\000\200\307\311e\351\177\000\000\060\311\311e\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972cfc9a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "0\311\311e\351\177\000\000\200\307\311e\351\177\000\000 \304\311e\351\177\000\000p\302\311e\351\177\000\000@I\206s\351\177\000\000\200B\206s\351\177\000\000\320@\206s\351\177\000\000 ?\206s\351\177\000\000p=\206s\351\177\000\000\300;\206s\351\177\000\000\020:\206s\351\177\000\000`8\206s\351\177\000\000\260\066\206s\351\177\000\000@.\206s\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972cfcab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\240T\206s\351\177\000\000\200U\206s\351\177\000\000@@ q\351\177\000\000 A q\351\177\000\000\000B q\351\177\000\000\340B q\351\177\000\000\300C q\351\177\000\000\240D q\351\177\000\000\200E q\351\177\000\000`F q\351\177\000\000@G q\351\177\000\000 H q\351\177\000\000\000I q\351\177\000\000\300J q\351\177\000\000\240K q\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe972cfcbd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\240K q\351\177\000\000\300J q\351\177\000\000\000I q\351\177\000\000 H q\351\177\000\000@G q\351\177\000\000`F q\351\177\000\000\200E q\351\177\000\000\240D q\351\177\000\000\300C q\351\177\000\000\340B q\351\177\000\000\000B q\351\177\000\000 A q\351\177\000\000@@ q\351\177\000\000\200U\206s\351\177\000\000\240T\206s\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe972cfcd38, mPrev = 0x7fe972cfcd38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe972cfc6b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe972cfcda0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe972cfcdf0, mPrev = 0x7fe972cfcdf0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe972cfce38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b040) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b040) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b040
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640630331136, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236117996732687598, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 29 (Thread 0x7fe9691be700 (LWP 7489)):
>#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7fe9691bdad0, expected=0, futex_word=0x7fe998c5a7ac) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7fe9691bdb80, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:533
>        rt = {tv_sec = 599, tv_nsec = 999999514}
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9691bdb00, __canceltype = 0, __prev = 0x0}
>        cbuffer = {wseq = 667, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 667
>        seq = 333
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7fe998c5a780, mutex=mutex@entry=0x7fe998c5a750, abstime=abstime@entry=0x7fe9691bdb80) at pthread_cond_wait.c:667
>No locals.
>#3  0x000055b40c986a94 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:153
>        ptCond = 0x7fe998c5a780
>        ptMutex = 0x7fe998c5a750
>        r = <optimized out>
>        rel_time = {mValue = 600000000000}
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 4576, tv_nsec = 833670756}
>        abs_ts = {tv_sec = 5176, tv_nsec = 833670756}
>#4  0x00007fe989f44736 in mozilla::CondVar::Wait (aDuration=..., this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:74
>        raiiObject72 = <optimized out>
>        raiiObject72 = <optimized out>
>#5  mozilla::Monitor::Wait (aDuration=..., this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:39
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:215
>        now = {mValue = 4576833670049}
>        delta = <optimized out>
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe9652bf540) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9658bf340}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9652bf540}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\335\033i\351\177\000\000I\344\063\211\351\177\000\000\000\202\375Z\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\335\033i\351\177\000\000\240^\006h\351\177\000\000\320\335\033i\351\177\000\000@\363\213e\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "!4c\232\351\177\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe9691bddd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe9658bf340
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe9658bf340, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe9658bf340
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe969470040) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe969470040) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe969470040) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe969470040, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe969470040}
>        initData = 0x0
>        self = 0x7fe9658bf340
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe967ff7dc0) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551100
>        tid = 7489
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640467543808, 246508794491427602, 140728683027694, 140728683027695, 140728683027856, 140728683027856, -236135210424739054, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 30 (Thread 0x7fe96a722700 (LWP 4722)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe974e2936c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe974e29310, cond=0x7fe974e29340) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96a721ba0, __canceltype = 0, __prev = 0x0}
>        cbuffer = {wseq = 407, cond = 0x7fe974e29340, mutex = 0x7fe974e29310, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 407
>        seq = 203
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe974e29340, mutex=0x7fe974e29310) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe974e29340
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe98933afaf in mozilla::CondVar::Wait (this=0x7fe974e29338) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent (this=0x7fe974e292e0, aMayWait=true, aPriority=0x7fe96a721cd8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/ThreadEventQueue.cpp:156
>        raiiObject155 = {mProfilingStack = 0x7fe974fd7d60, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe974fd7d60}, <No data fields>}}
>        lock = {mLock = 0x7fe974e29310}
>        event = <optimized out>
>#6  0x00007fe98933d708 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:983
>        priority = mozilla::EventPriority::Normal
>        event = <optimized out>
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\035rj\351\177\000\000I\344\063\211\351\177\000\000`}\375t\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\035rj\351\177\000\000\220\301\314\230\351\177\000\000\320\035rj\351\177\000\000\200\236rs\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe96a721dd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe973729e80
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#7  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe973729e80, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#8  0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe973729e80
>        autoReleasePool = <optimized out>
>#9  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe9706ba580) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#10 MessageLoop::RunHandler (this=0x7fe9706ba580) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#11 MessageLoop::Run (this=this@entry=0x7fe9706ba580) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe9706ba580, previous_state_ = 0x0}
>#12 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe9706ba580}
>        initData = 0x0
>        self = 0x7fe973729e80
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#13 0x00007fe9991083f8 in _pt_root (arg=0x7fe974fb7dc0) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4722
>#14 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640489973504, 246508794491427602, 140728683028142, 140728683028143, 140728683028304, 140728683028304, -236137072293061870, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#15 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 31 (Thread 0x7fe9691ff700 (LWP 7490)):
>#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7fe9691fead0, expected=0, futex_word=0x7fe998c5a7a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7fe9691feb80, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:533
>        rt = {tv_sec = 599, tv_nsec = 999999567}
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9691feb00, __canceltype = 0, __prev = 0x0}
>        cbuffer = {wseq = 658, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 658
>        seq = 329
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7fe998c5a780, mutex=mutex@entry=0x7fe998c5a750, abstime=abstime@entry=0x7fe9691feb80) at pthread_cond_wait.c:667
>No locals.
>#3  0x000055b40c986a94 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:153
>        ptCond = 0x7fe998c5a780
>        ptMutex = 0x7fe998c5a750
>        r = <optimized out>
>        rel_time = {mValue = 600000000000}
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 4549, tv_nsec = 133041335}
>        abs_ts = {tv_sec = 5149, tv_nsec = 133041335}
>#4  0x00007fe989f44736 in mozilla::CondVar::Wait (aDuration=..., this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:74
>        raiiObject72 = <optimized out>
>        raiiObject72 = <optimized out>
>#5  mozilla::Monitor::Wait (aDuration=..., this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:39
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:215
>        now = {mValue = 4549133040705}
>        delta = <optimized out>
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe9652bf5e0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe965852c40}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9652bf5e0}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\355\037i\351\177\000\000I\344\063\211\351\177\000\000\000\302Qe\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\355\037i\351\177\000\000\220,\374g\351\177\000\000\320\355\037i\351\177\000\000@,\205e\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe9691fedd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe965852c40
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe965852c40, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe965852c40
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe969470200) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe969470200) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe969470200) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe969470200, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe969470200}
>        initData = 0x0
>        self = 0x7fe965852c40
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe968375040) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551100
>        tid = 7490
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640467810048, 246508794491427602, 140728683027694, 140728683027695, 140728683027856, 140728683027856, -236135177675613422, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 32 (Thread 0x7fe9685bd700 (LWP 4819)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe998c5a7ac) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe998c5a750, cond=0x7fe998c5a780) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9685bcb50, __canceltype = 1519400792, __prev = 0x0}
>        cbuffer = {wseq = 665, cond = 0x7fe998c5a780, mutex = 0x7fe998c5a750, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 665
>        seq = 332
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe998c5a780, mutex=0x7fe998c5a750) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe998c5a780
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe989f447b6 in mozilla::CondVar::Wait (this=0x7fe998c5a778) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::Monitor::Wait (this=0x7fe998c5a750) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/Monitor.h:38
>No locals.
>#6  mozilla::image::DecodePoolImpl::PopWorkLocked (this=this@entry=0x7fe998c5a740, aShutdownIdle=aShutdownIdle@entry=false) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:202
>        timeout = {mValue = 600000000000}
>#7  0x00007fe989f44b20 in mozilla::image::DecodePoolImpl::PopWork (aShutdownIdle=<optimized out>, this=0x7fe998c5a740) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:173
>        lock = <optimized out>
>        lock = <optimized out>
>#8  mozilla::image::DecodePoolWorker::Run (this=0x7fe9683691c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/image/DecodePool.cpp:297
>        thisThread = {<nsCOMPtr_base> = {mRawPtr = 0x7fe967f63940}, <No data fields>}
>        work = {mType = mozilla::image::Work::Type::TASK, mTask = {mRawPtr = 0x0}}
>#9  0x00007fe98933d788 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:1051
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = {mStorage = {<optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>, <optimized out>}, mIsSome = 0 '\000'}
>        recursiveEvent = false
>        currentPerformanceCounter = {mRawPtr = 0x0}
>        priority = mozilla::EventPriority::Normal
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fe9683691c0}, <No data fields>}
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\315[h\351\177\000\000I\344\063\211\351\177\000\000\000\000\320\230\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\315[h\351\177\000\000`F\370g\351\177\000\000\320\315[h\351\177\000\000@9\366g\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "\370\000\320\230\351\177\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = <optimized out>
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe9685bcdd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe967f63940
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#10 0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe967f63940, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = true
>#11 0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe967f63940
>        autoReleasePool = <optimized out>
>#12 0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe9680eee40) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#13 MessageLoop::RunHandler (this=0x7fe9680eee40) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#14 MessageLoop::Run (this=this@entry=0x7fe9680eee40) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe9680eee40, previous_state_ = 0x0}
>#15 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe9680eee40}
>        initData = 0x0
>        self = 0x7fe967f63940
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#16 0x00007fe9991083f8 in _pt_root (arg=0x7fe9683b2dc0) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4819
>#17 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640454956800, 246508794491427602, 140728683029854, 140728683029855, 140728683030016, 140728683030016, -236132462182540526, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#18 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 33 (Thread 0x7fe96d5fd700 (LWP 4557)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe9767edaec) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9767eda90, cond=0x7fe9767edac0) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe96d5fcba0, __canceltype = 1, __prev = 0x0}
>        cbuffer = {wseq = 155, cond = 0x7fe9767edac0, mutex = 0x7fe9767eda90, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 155
>        seq = 77
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe9767edac0, mutex=0x7fe9767eda90) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe9767edac0
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe98933afaf in mozilla::CondVar::Wait (this=0x7fe9767edab8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent (this=0x7fe9767eda60, aMayWait=true, aPriority=0x7fe96d5fccd8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/ThreadEventQueue.cpp:156
>        raiiObject155 = {mProfilingStack = 0x7fe9767f09e0, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe9767f09e0}, <No data fields>}}
>        lock = {mLock = 0x7fe9767eda90}
>        event = <optimized out>
>#6  0x00007fe98933d708 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:983
>        priority = mozilla::EventPriority::Normal
>        event = <optimized out>
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\315_m\351\177\000\000I\344\063\211\351\177\000\000\340\t\177v\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\315_m\351\177\000\000\060\vyv\351\177\000\000\320\315_m\351\177\000\000\300\332ps\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "h\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe96d5fcdd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe97370dac0
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#7  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe97370dac0, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#8  0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe97370dac0
>        autoReleasePool = <optimized out>
>#9  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe974ffd3c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#10 MessageLoop::RunHandler (this=0x7fe974ffd3c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#11 MessageLoop::Run (this=this@entry=0x7fe974ffd3c0) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe974ffd3c0, previous_state_ = 0x0}
>#12 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe974ffd3c0}
>        initData = 0x0
>        self = 0x7fe97370dac0
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#13 0x00007fe9991083f8 in _pt_root (arg=0x7fe96f243a60) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4557
>#14 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640539105024, 246508794491427602, 140728683029678, 140728683029679, 140728683029840, 140728683029840, -236125830753035502, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#15 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 34 (Thread 0x7fe973956700 (LWP 4570)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97065c63c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe97065c5e0, cond=0x7fe97065c610) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe973955cd0, __canceltype = 1939168512, __prev = 0x0}
>        cbuffer = {wseq = 4069, cond = 0x7fe97065c610, mutex = 0x7fe97065c5e0, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 4069
>        seq = 2034
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=0x7fe97065c610, mutex=0x7fe97065c5e0) at pthread_cond_wait.c:655
>No locals.
>#3  0x00007fe98cd92ea0 in std::sys::unix::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys/unix/condvar.rs:78
>        r = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#4  std::sys_common::condvar::Condvar::wait (self=0x7fe97065c610, mutex=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/condvar.rs:51
>No locals.
>#5  std::sync::condvar::Condvar::wait (self=0x7fe973708608, guard=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sync/condvar.rs:214
>        lock = 0x80
>        lock = <optimized out>
>        poisoned = <optimized out>
>#6  rayon_core::sleep::Sleep::sleep (self=0x7fe9737085f0, worker_index=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:257
>        data = <optimized out>
>        state = <optimized out>
>#7  0x00007fe98cd9586c in rayon_core::sleep::Sleep::no_work_found (self=0x7fe9737085f0, worker_index=0, yields=<optimized out>) at third_party/rust/rayon-core/src/sleep/mod.rs:89
>        arg0 = <optimized out>
>        arg0 = <optimized out>
>        left_val = <optimized out>
>        right_val = <optimized out>
>        arg0 = <optimized out>
>        arg1 = <optimized out>
>#8  rayon_core::registry::WorkerThread::wait_until_cold (self=0x7fe973955df8, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:569
>        yields = <optimized out>
>        abort_guard = <optimized out>
>#9  0x00007fe98cd9570d in rayon_core::registry::WorkerThread::wait_until (self=0x7fe974e5b290, latch=0x7fe973708650) at third_party/rust/rayon-core/src/registry.rs:543
>        arg0 = <optimized out>
>#10 rayon_core::registry::main_loop (registry=..., index=<optimized out>, worker=..., breadth_first=<optimized out>) at third_party/rust/rayon-core/src/registry.rs:674
>        worker_thread = <optimized out>
>        abort_guard = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>        handler = <optimized out>
>        registry = <optimized out>
>        err = <optimized out>
>#11 rayon_core::registry::Registry::new::{{closure}} () at third_party/rust/rayon-core/src/registry.rs:134
>        breadth_first = <optimized out>
>        worker = <optimized out>
>        registry = <optimized out>
>        index = <optimized out>
>#12 std::sys_common::backtrace::__rust_begin_short_backtrace (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/sys_common/backtrace.rs:136
>No locals.
>#13 0x00007fe98cd9530e in std::thread::Builder::spawn::{{closure}}::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:409
>        f = <optimized out>
>#14 <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (self=..., _args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:308
>No locals.
>#15 std::panicking::try::do_call (data=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:310
>        data = <optimized out>
>        f = <optimized out>
>#16 __rust_maybe_catch_panic (f=<optimized out>, data=<optimized out>, _data_ptr=<optimized out>, _vtable_ptr=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/libpanic_abort/lib.rs:39
>No locals.
>#17 std::panicking::try (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panicking.rs:289
>        any_data = <optimized out>
>        any_vtable = <optimized out>
>        data = <optimized out>
>        r = <optimized out>
>#18 std::panic::catch_unwind (f=...) at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/panic.rs:392
>No locals.
>#19 std::thread::Builder::spawn::{{closure}} () at /builddir/build/BUILD/rustc-1.28.0-src/src/libstd/thread/mod.rs:408
>        their_thread = <optimized out>
>        f = <optimized out>
>        their_packet = <optimized out>
>        name = <optimized out>
>        try_result = <optimized out>
>#20 <F as alloc::boxed::FnBox<A>>::call_box (self=0x7fe97065c6d0, args=<optimized out>) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:640
>No locals.
>#21 0x00007fe98cdab162 in std::sys::unix::thread::Thread::new::thread_start (main=0x7fe97068b370) at /builddir/build/BUILD/rustc-1.28.0-src/src/liballoc/boxed.rs:650
>No locals.
>#22 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640643278592, 246508794491427602, 140728683024798, 140728683024799, 140728683025056, 140728683025056, -236120826579264750, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#23 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 35 (Thread 0x7fe968dff700 (LWP 4817)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe9683b636c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9683b6310, cond=0x7fe9683b6340) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe968dfeba0, __canceltype = 1, __prev = 0x0}
>        cbuffer = {wseq = 1015, cond = 0x7fe9683b6340, mutex = 0x7fe9683b6310, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 1015
>        seq = 507
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe9683b6340, mutex=0x7fe9683b6310) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe9683b6340
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x00007fe98933afaf in mozilla::CondVar::Wait (this=0x7fe9683b6338) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/objdir/dist/include/mozilla/CondVar.h:66
>        raiiObject64 = <optimized out>
>        raiiObject64 = <optimized out>
>#5  mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent (this=0x7fe9683b62e0, aMayWait=true, aPriority=0x7fe968dfecd8) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/ThreadEventQueue.cpp:156
>        raiiObject155 = {mProfilingStack = 0x7fe968061f20, static sProfilingStack = {<mozilla::detail::ThreadLocalNativeStorage<ProfilingStack*>> = {mValue = 0x7fe968061f20}, <No data fields>}}
>        lock = {mLock = 0x7fe9683b6310}
>        event = <optimized out>
>#6  0x00007fe98933d708 in nsThread::ProcessNextEvent(bool, bool*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:983
>        priority = mozilla::EventPriority::Normal
>        event = <optimized out>
>        reallyWait = <optimized out>
>        activation = {mStorage = "\200\355\337h\351\177\000\000I\344\063\211\351\177\000\000\000\000\320\230\351\177\000\000\000.>\350k\036pj\001\000\000\000\351\177\000\000\200\355\337h\351\177\000\000P_\006h\351\177\000\000\320\355\337h\351\177\000\000\200\336\062h\351\177\000", mIsSome = 0 '\000'}
>        rv = nsresult::NS_OK
>        noJSAPI = {mStorage = "\360\002\320\230\351\177\000\000\002\000\000\000\000\000\000\000\200\027\377\216\351\177\000", mIsSome = 0 '\000'}
>        callScriptObserver = false
>        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        obs = <optimized out>
>        aMayWait = true
>        reallyWait = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        obs_ = <optimized out>
>        callScriptObserver = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        aResult = 0x7fe968dfedd7
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        iter_ = <optimized out>
>        event = <optimized out>
>        iter_ = <optimized out>
>        this = 0x7fe96832de80
>        duration = <optimized out>
>        duration = <optimized out>
>        reallyWait = <optimized out>
>        activation = <optimized out>
>        noJSAPI = <optimized out>
>        callScriptObserver = <optimized out>
>        obs = <optimized out>
>        rv = <optimized out>
>        moz_real_module = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>        priority = <optimized out>
>        event = <optimized out>
>        schedulerLoggingEnabled = <optimized out>
>        timeDurationHelper = <optimized out>
>        recursiveEvent = <optimized out>
>        currentPerformanceCounter = <optimized out>
>        moz_real_module = <optimized out>
>        duration = <optimized out>
>        duration = <optimized out>
>        iter_ = <optimized out>
>        obs_ = <optimized out>
>#7  0x00007fe98933f8ec in NS_ProcessNextEvent (aThread=<optimized out>, aThread@entry=0x7fe96832de80, aMayWait=aMayWait@entry=true) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThreadUtils.cpp:519
>        val = false
>#8  0x00007fe9897752ea in mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/glue/MessagePump.cpp:364
>        didWork = <optimized out>
>        didIdleWork = <optimized out>
>        thread = 0x7fe96832de80
>        autoReleasePool = <optimized out>
>#9  0x00007fe989749529 in MessageLoop::RunInternal (this=0x7fe96f1e6e40) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:325
>No locals.
>#10 MessageLoop::RunHandler (this=0x7fe96f1e6e40) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:318
>No locals.
>#11 MessageLoop::Run (this=this@entry=0x7fe96f1e6e40) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/ipc/chromium/src/base/message_loop.cc:298
>        save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received = false}, loop_ = 0x7fe96f1e6e40, previous_state_ = 0x0}
>#12 0x00007fe98933fa98 in nsThread::ThreadFunc(void*) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/xpcom/threads/nsThread.cpp:423
>        loop = {mRawPtr = 0x7fe96f1e6e40}
>        initData = 0x0
>        self = 0x7fe96832de80
>        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
>        context = <optimized out>
>#13 0x00007fe9991083f8 in _pt_root (arg=0x7fe9683b2940) at ../../.././nspr/pr/src/pthreads/ptthread.c:201
>        rv = <optimized out>
>        thred = <optimized out>
>        detached = 0
>        id = 18446744073709551104
>        tid = 4817
>#14 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640463615744, 246508794491427602, 140728683027550, 140728683027551, 140728683027712, 140728683027712, -236131329384916206, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#15 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 36 (Thread 0x7fe9726fa700 (LWP 4542)):
>#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7fe97380464c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
>        __ret = -512
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe9738045c8, cond=0x7fe973804620) at pthread_cond_wait.c:502
>        spin = 0
>        buffer = {__routine = 0x7fe99a635290 <__condvar_cleanup_waiting>, __arg = 0x7fe9726f95c0, __canceltype = 32771, __prev = 0x0}
>        cbuffer = {wseq = 14045, cond = 0x7fe973804620, mutex = 0x7fe9738045c8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 14045
>        seq = 7022
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_wait (cond=cond@entry=0x7fe973804620, mutex=0x7fe9738045c8) at pthread_cond_wait.c:655
>No locals.
>#3  0x000055b40c98692b in mozilla::detail::ConditionVariableImpl::wait(mozilla::detail::MutexImpl&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:118
>        ptCond = 0x7fe973804620
>        ptMutex = <optimized out>
>        r = <optimized out>
>#4  0x000055b40c986b15 in mozilla::detail::ConditionVariableImpl::wait_for(mozilla::detail::MutexImpl&, mozilla::BaseTimeDuration<mozilla::TimeDurationValueCalculator> const&) () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/mozglue/misc/ConditionVariable_posix.cpp:127
>        ptCond = <optimized out>
>        ptMutex = <optimized out>
>        r = <optimized out>
>        rel_time = <optimized out>
>        rel_ts = <optimized out>
>        now_ts = {tv_sec = 140728683025440, tv_nsec = 140641298806220}
>        abs_ts = {tv_sec = 140728683030176, tv_nsec = 140641298827256}
>#5  0x00007fe98c4ccd97 in js::ConditionVariable::wait_for (lock=..., rel_time=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/ConditionVariable.h:101
>No locals.
>#6  js::GlobalHelperThreadState::wait (timeout=..., which=js::GlobalHelperThreadState::PRODUCER, locked=..., this=<optimized out>) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:1073
>No locals.
>#7  js::HelperThread::threadLoop() () at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/vm/HelperThreads.cpp:2436
>        task = <optimized out>
>        nogc = <optimized out>
>        lock = {<js::LockGuard<js::Mutex>> = {lock = @0x7fe9738045c8}, <No data fields>}
>        cx = {<JS::RootingContext> = {stackRoots_ = {static kSize = 14, mArray = {mArr = {0x0 <repeats 14 times>}}}, autoGCRooters_ = 0x0, geckoProfiler_ = {profilingStack_ = 0x0}, realm_ = 0x0, zone_ = 0x0, nativeStackLimit = {140640622186497, 140640622186497, 140640622186497}}, <js::MallocProvider<JSContext>> = {<No data fields>}, runtime_ = {<js::ProtectedData<js::CheckUnprotected, JSRuntime*>> = {value = 0x0}, <No data fields>}, kind_ = {value = js::ContextKind::HelperThread}, helperThread_ = {<js::ProtectedData<js::CheckThreadLocal, js::HelperThread*>> = {value = 0x7fe9738049a0}, <No data fields>}, nurserySuppressions_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1}, <No data fields>}, options_ = {<js::ProtectedData<js::CheckThreadLocal, JS::ContextOptions>> = {value = {baseline_ = true, ion_ = true, asmJS_ = true, wasm_ = true, wasmBaseline_ = true, wasmIon_ = true, testWasmAwaitTier2_ = false, throwOnAsmJSValidationFailure_ = false, nativeRegExp_ = true, asyncStack_ = true, throwOnDebuggeeWouldRun_ = true, dumpStackOnDebuggeeWouldRun_ = false, werror_ = false, strictMode_ = false, extraWarnings_ = false, streams_ = false}}, <No data fields>}, arenas_ = {<js::ProtectedData<js::CheckThreadLocal, js::gc::ArenaLists*>> = {value = 0x0}, <No data fields>}, static reportedError = {dummy = 0}, static reportedOOM = {<JS::Error> = {dummy = 0}, <No data fields>}, jitActivation = {<js::ProtectedData<js::CheckThreadLocal, js::jit::JitActivation*>> = {value = 0x0}, <No data fields>}, regexpStack = {<js::ProtectedData<js::CheckThreadLocal, js::irregexp::RegExpStack>> = {value = {static kStackLimitSlack = 32, static kMemoryTop = 18446744073709551615, static kMinimumStackSize = 512, static kMaximumStackSize = 67108864, base_ = 0x0, size = 0, limit_ = 0x0}}, <No data fields>}, activation_ = {<js::ProtectedData<js::CheckThreadLocal, js::Activation*>> = {value = 0x0}, <No data fields>}, profilingActivation_ = 0x0, interpreterStack_ = {<js::ProtectedData<js::CheckThreadLocal, js::InterpreterStack>> = {value = {static DEFAULT_CHUNK_SIZE = 4096, allocator_ = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}, static MAX_FRAMES = 50000, static MAX_FRAMES_TRUSTED = 51000, frameCount_ = 0}}, <No data fields>}, nativeStackBase = 140640624029696, nativeStackQuota = {{<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}, {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 1843200}, <No data fields>}}, entryMonitor = {<js::ProtectedData<js::CheckThreadLocal, JS::dbg::AutoEntryMonitor*>> = {value = 0x0}, <No data fields>}, noExecuteDebuggerTop = {<js::ProtectedData<js::CheckThreadLocal, js::EnterDebuggeeNoExecute*>> = {value = 0x0}, <No data fields>}, activityCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(void*, bool)>> = {value = 0x0}, <No data fields>}, activityCallbackArg = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, requestDepth = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, autoFlushICache_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::AutoFlushICache*>> = {value = 0x0}, <No data fields>}, dtoaState = {<js::ProtectedData<js::CheckThreadLocal, DtoaState*>> = {value = 0x7fe96844b1f0}, <No data fields>}, suppressGC = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, enableAccessValidation = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, inUnsafeRegion = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 0}, <No data fields>}, generationalDisabled = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, compactingDisabledCount = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, frontendCollectionPool_ = {<js::ProtectedData<js::CheckThreadLocal, js::frontend::NameCollectionPool>> = {value = {mapPool_ = {<js::frontend::CollectionPool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy>, js::frontend::InlineTablePool<js::InlineMap<JSAtom*, js::frontend::RecyclableAtomMapValueWrapper<unsigned int>, 24, js::DefaultHasher<JSAtom*>, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9726f9888, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\220\f$h\351\177\000\000@\016$h\351\177\000\000\360\017$h\351\177\000\000\240\021$h\351\177\000\000P\023$h\351\177\000\000\000\025$h\351\177\000\000\260\026$h\351\177\000\000`\030$h\351\177\000\000\020\032$h\351\177\000\000\200B\206s\351\177\000\000\220,\206s\351\177\000\000@.\206s\351\177\000\000\320%\206s\351\177\000\000\200'\206s\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9726f99a0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\020\032$h\351\177\000\000`\030$h\351\177\000\000\260\026$h\351\177\000\000\000\025$h\351\177\000\000P\023$h\351\177\000\000\360\017$h\351\177\000\000\240\021$h\351\177\000\000@\016$h\351\177\000\000\220\f$h\351\177\000\000@\ttp\351\177\000\000\240L?f\351\177\000\000\360J?f\351\177\000\000 $?f\351\177\000\000p\"?f\351\177", '\000' <repeats 145 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, vectorPool_ = {<js::frontend::CollectionPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy>, js::frontend::VectorPool<mozilla::Vector<JSAtom*, 24, js::SystemAllocPolicy> > >> = {all_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9726f9ab8, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = "\240\313U\\\351\177\000\000\200\314U\\\351\177\000\000`\315U\\\351\177\000\000@\316U\\\351\177\000\000 \317U\\\351\177\000\000@P\006f\351\177\000\000 Q\006f\351\177\000\000\240\244\060q\351\177\000\000\200\245\060q\351\177\000\000`\246\060q\351\177\000\000@\247\060q\351\177\000\000\340i.q\351\177\000\000@P\206s\351\177\000\000 Q\206s\351\177\000\000\000R\206s\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}, recyclable_ = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 32, mBegin = 0x7fe9726f9bd0, mLength = 0, mTail = {<mozilla::Vector<void*, 32, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 32}, mBytes = " Q\006f\351\177\000\000@P\006f\351\177\000\000 \317U\\\351\177\000\000@\316U\\\351\177\000\000`\315U\\\351\177\000\000\200\314U\\\351\177\000\000\240\313U\\\351\177\000\000 \241\060q\351\177\000\000@\240\060q\351\177\000\000@P\206s\351\177\000\000 O q\351\177\000\000\240K q\351\177\000\000\340I q\351\177\000\000\000I q\351\177\000\000@G q\351\177", '\000' <repeats 137 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, activeCompilations_ = 0}}, <No data fields>}, suppressProfilerSampling = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)2>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, static TEMP_LIFO_ALLOC_PRIMARY_CHUNK_SIZE = 4096, tempLifoAlloc_ = {<js::ProtectedData<js::CheckThreadLocal, js::LifoAlloc>> = {value = {chunks_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, unused_ = {head_ = {mTuple = {<mozilla::detail::PairHelper<js::detail::BumpChunk*, JS::DeletePolicy<js::detail::BumpChunk>, (mozilla::detail::StorageType)1, (mozilla::detail::StorageType)0>> = {<JS::DeletePolicy<js::detail::BumpChunk>> = {<No data fields>}, mFirstA = 0x0}, <No data fields>}}, last_ = 0x0}, markCount = 0, defaultChunkSize_ = 4096, curSize_ = 0, peakSize_ = 0, static HUGE_ALLOCATION = 52428800}}, <No data fields>}, debuggerMutations = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, ionPcScriptCache = {<js::ProtectedData<js::CheckThreadLocal, js::jit::PcScriptCache*>> = {value = 0x0}, <No data fields>}, throwing = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, unwrappedException_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::Value> >> = {value = {<js::RootedBase<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::MutableWrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<js::WrappedPtrOperations<JS::Value, JS::PersistentRooted<JS::Value> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<JS::Value> >> = {mNext = 0x7fe9726f9d38, mPrev = 0x7fe9726f9d38, mIsSentinel = false}, ptr = {asBits_ = 18444914486360932352, asDouble_ = -nan(0x9800000000000), debugView_ = {payload47_ = 0, tag_ = JSVAL_TAG_UNDEFINED}, s_ = {payload_ = {i32_ = 0, u32_ = 0, why_ = JS_ELEMENTS_HOLE}}}}}, <No data fields>}, overRecursed_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, propagatingForcedReturn_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, liveVolatileJitFrameIter_ = {<js::ProtectedData<js::CheckThreadLocal, js::jit::DebugModeOSRVolatileJitFrameIter*>> = {value = 0x0}, <No data fields>}, reportGranularity = {<js::ProtectedData<js::CheckThreadLocal, int>> = {value = 3}, <No data fields>}, resolvingList = {<js::ProtectedData<js::CheckThreadLocal, js::AutoResolving*>> = {value = 0x0}, <No data fields>}, generatingError = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, cycleDetectorVector_ = {<js::ProtectedData<js::CheckThreadLocal, JS::GCVector<JSObject*, 8, js::TempAllocPolicy> >> = {value = {vector = {<js::TempAllocPolicy> = {cx_ = 0x7fe9726f96b0}, static kElemIsPod = true, static kMaxInlineBytes = 992, static kInlineCapacity = 8, mBegin = 0x7fe9726f9da0, mLength = 0, mTail = {<mozilla::Vector<JSObject*, 8, js::TempAllocPolicy>::CapacityAndReserved> = {mCapacity = 8}, mBytes = '\000' <repeats 63 times>}, static sMaxInlineStorage = <optimized out>}}}, <No data fields>}, data = {<js::ProtectedData<js::CheckUnprotected, void*>> = {value = 0x0}, <No data fields>}, outstandingRequests = {<js::ProtectedData<js::CheckThreadLocal, unsigned int>> = {value = 0}, <No data fields>}, jitIsBroken = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, asyncStackForNewActivations_ = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<js::SavedFrame*> >> = {value = {<js::RootedBase<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::MutableWrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<js::WrappedPtrOperations<js::SavedFrame*, JS::PersistentRooted<js::SavedFrame*> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <mozilla::LinkedListElement<JS::PersistentRooted<js::SavedFrame*> >> = {mNext = 0x7fe9726f9df0, mPrev = 0x7fe9726f9df0, mIsSentinel = false}, ptr = 0x0}}, <No data fields>}, asyncCauseForNewActivations = {<js::ProtectedData<js::CheckThreadLocal, char const*>> = {value = 0x0}, <No data fields>}, asyncCallIsExplicit = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptCallbacks_ = {<js::ProtectedData<js::CheckThreadLocal, mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy> >> = {value = {<js::SystemAllocPolicy> = {<No data fields>}, static kElemIsPod = true, static kMaxInlineBytes = 999, static kInlineCapacity = 2, mBegin = 0x7fe9726f9e38, mLength = 0, mTail = {<mozilla::Vector<bool (*)(JSContext*), 2, js::SystemAllocPolicy>::CapacityAndReserved> = {mCapacity = 2}, mBytes = '\000' <repeats 15 times>}, static sMaxInlineStorage = <optimized out>}}, <No data fields>}, interruptCallbackDisabled = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, interruptBits_ = {<mozilla::detail::AtomicBaseIncDec<unsigned int, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned int, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, <No data fields>}}, <No data fields>}, <No data fields>}, fx = {cond_ = 0x0, state_ = js::FutexThread::Idle, static lock_ = {<mozilla::detail::AtomicBaseIncDec<js::Mutex*, (mozilla::MemoryOrdering)2>> = {<mozilla::detail::AtomicBase<js::Mutex*, (mozilla::MemoryOrdering)2>> = {mValue = {_M_b = {_M_p = 0x7fe973803070}}}, <No data fields>}, <No data fields>}, canWait_ = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}}, osrTempData_ = {<js::ProtectedData<js::CheckThreadLocal, unsigned char*>> = {value = 0x0}, <No data fields>}, ionReturnOverride_ = {<js::ProtectedData<js::CheckThreadLocal, JS::Value>> = {value = {asBits_ = 18445195961337643011, asDouble_ = -nan(0xa800000000003), debugView_ = {payload47_ = 3, tag_ = JSVAL_TAG_MAGIC}, s_ = {payload_ = {i32_ = 3, u32_ = 3, why_ = JS_ARG_POISON}}}}, <No data fields>}, jitStackLimit = {<mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>> = {<mozilla::detail::AtomicBase<unsigned long, (mozilla::MemoryOrdering)0>> = {mValue = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18446744073709551615}, <No data fields>}}, <No data fields>}, <No data fields>}, jitStackLimitNoInterrupt = {<js::ProtectedData<js::CheckThreadLocal, unsigned long>> = {value = 18446744073709551615}, <No data fields>}, getIncumbentGlobalCallback = {<js::ProtectedData<js::CheckThreadLocal, JSObject* (*)(JSContext*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallback = {<js::ProtectedData<js::CheckThreadLocal, bool (*)(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSObject*>, JS::Handle<JSObject*>, void*)>> = {value = 0x0}, <No data fields>}, enqueuePromiseJobCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}, jobQueue = {<js::ProtectedData<js::CheckThreadLocal, JS::PersistentRooted<JS::GCVector<JSObject*, 0, js::SystemAllocPolicy> >*>> = {value = 0x0}, <No data fields>}, drainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, stopDrainingJobQueue = {<js::ProtectedData<js::CheckThreadLocal, bool>> = {value = false}, <No data fields>}, promiseRejectionTrackerCallback = {<js::ProtectedData<js::CheckThreadLocal, void (*)(JSContext*, JS::Handle<JSObject*>, JS::PromiseRejectionHandlingState, void*)>> = {value = 0x0}, <No data fields>}, promiseRejectionTrackerCallbackData = {<js::ProtectedData<js::CheckThreadLocal, void*>> = {value = 0x0}, <No data fields>}}
>#8  0x00007fe98c4c7d7e in js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::callMain<0ul> (this=0x7fe97382b070) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:233
>No locals.
>#9  js::detail::ThreadTrampoline<void (&)(void*), js::HelperThread*>::Start (aPack=0x7fe97382b070) at /usr/src/debug/firefox-62.0-3.fc28.x86_64/js/src/threading/Thread.h:235
>        pack = 0x7fe97382b070
>#10 0x00007fe99a62f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140640624027392, 246508794491427602, 140728683025310, 140728683025311, 140728683025440, 140728683025440, -236119372732835054, -236172122792273134}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#11 0x00007fe999820e6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>From                To                  Syms Read   Shared Object Library
>0x00007fe99a84b8e0  0x00007fe99a8648a3  Yes         /usr/lib64/firefox/libmozsandbox.so
>0x00007fe99a62dbe0  0x00007fe99a63b7f1  Yes         /lib64/libpthread.so.0
>0x00007fe99a424ee0  0x00007fe99a425bbe  Yes         /lib64/libdl.so.2
>0x00007fe99a11e590  0x00007fe99a1d469e  No          /lib64/libstdc++.so.6
>0x00007fe999d099f0  0x00007fe999dbbe6a  Yes         /lib64/libm.so.6
>0x00007fe999ae8ad0  0x00007fe999af9715  No          /lib64/libgcc_s.so.1
>0x00007fe9997483a0  0x00007fe99988f03f  Yes         /lib64/libc.so.6
>0x00007fe99aa6df60  0x00007fe99aa8c060  Yes         /lib64/ld-linux-x86-64.so.2
>0x00007fe999523ec0  0x00007fe999524bfc  Yes         /lib64/libplds4.so
>0x00007fe99931f4b0  0x00007fe999320c01  Yes         /lib64/libplc4.so
>0x00007fe9990eac60  0x00007fe99910c69f  Yes         /lib64/libnspr4.so
>0x00007fe998ed8210  0x00007fe998edb46c  Yes         /lib64/librt.so.1
>0x00007fe998975510  0x00007fe99897ce7c  Yes         /usr/lib64/firefox/liblgpllibs.so
>0x00007fe9986aa9b0  0x00007fe99874ad50  Yes         /usr/lib64/firefox/libmozsqlite3.so
>0x00007fe99849e8a0  0x00007fe99849ea67  Yes         /usr/lib64/firefox/libmozgtk.so
>0x00007fe997c12980  0x00007fe997f5e9e3  Yes         /lib64/libgtk-3.so.0
>0x00007fe9978bbe00  0x00007fe9979319fb  Yes         /lib64/libgdk-3.so.0
>0x00007fe99768d140  0x00007fe99768e066  Yes         /lib64/libgmodule-2.0.so.0
>0x00007fe997482b70  0x00007fe997487ff6  Yes         /lib64/libpangocairo-1.0.so.0
>0x00007fe99715af50  0x00007fe9971e39a6  Yes         /lib64/libX11.so.6
>0x00007fe996f2e1e0  0x00007fe996f38ddb  Yes         /lib64/libXi.so.6
>0x00007fe996d27590  0x00007fe996d2995a  Yes         /lib64/libXfixes.so.3
>0x00007fe996b205d0  0x00007fe996b2173d  Yes         /lib64/libcairo-gobject.so.2
>0x00007fe99680f690  0x00007fe9968dc95e  Yes         /lib64/libcairo.so.2
>0x00007fe9965dc5f0  0x00007fe9965f2b4d  Yes         /lib64/libgdk_pixbuf-2.0.so.0
>0x00007fe9963b9280  0x00007fe9963c6016  Yes         /lib64/libatk-1.0.so.0
>0x00007fe9961887d0  0x00007fe99619cb2e  Yes         /lib64/libatk-bridge-2.0.so.0
>0x00007fe995f743c0  0x00007fe995f792d5  No          /lib64/libwayland-client.so.0
>0x00007fe995c9af00  0x00007fe995d00e5d  Yes         /lib64/libepoxy.so.0
>0x00007fe995a2e500  0x00007fe995a37861  Yes         /lib64/libpangoft2-1.0.so.0
>0x00007fe9957ecff0  0x00007fe99580e3d4  Yes         /lib64/libpango-1.0.so.0
>0x00007fe9955a3200  0x00007fe9955c57de  Yes         /lib64/libfontconfig.so.1
>0x00007fe9952304b0  0x00007fe9953180f2  Yes         /lib64/libgio-2.0.so.0
>0x00007fe994fb07a0  0x00007fe994fe1660  Yes         /lib64/libgobject-2.0.so.0
>0x00007fe994ca90d0  0x00007fe994d2434e  Yes         /lib64/libglib-2.0.so.0
>0x00007fe994a8bb50  0x00007fe994a8c4c1  Yes         /lib64/libXinerama.so.1
>0x00007fe994881ce0  0x00007fe994887f59  Yes         /lib64/libXrandr.so.2
>0x00007fe994677a00  0x00007fe99467c4bf  Yes         /lib64/libXcursor.so.1
>0x00007fe994472c70  0x00007fe994473695  Yes         /lib64/libXcomposite.so.1
>0x00007fe99426fbe0  0x00007fe99427053b  Yes         /lib64/libXdamage.so.1
>0x00007fe994033600  0x00007fe99404e40e  Yes         /lib64/libxkbcommon.so.0
>0x00007fe993e28250  0x00007fe993e29ce1  No          /lib64/libwayland-cursor.so.0
>0x00007fe993c25690  0x00007fe993c25819  No          /lib64/libwayland-egl.so.1
>0x00007fe993a16710  0x00007fe993a20853  Yes         /lib64/libXext.so.6
>0x00007fe9937a3660  0x00007fe9937f3c66  Yes         /lib64/libpcre.so.1
>0x00007fe9934f76d0  0x00007fe993571643  Yes         /lib64/libfreetype.so.6
>0x00007fe9932cda40  0x00007fe9932e0699  Yes         /lib64/libxcb.so.1
>0x00007fe993026520  0x00007fe9930a95c4  Yes         /lib64/libpixman-1.so.0
>0x00007fe992ded5a0  0x00007fe992e0fa75  Yes         /lib64/libpng16.so.16
>0x00007fe992be4db0  0x00007fe992be5907  Yes         /lib64/libxcb-shm.so.0
>0x00007fe9929db0d0  0x00007fe9929dfdfc  Yes         /lib64/libxcb-render.so.0
>0x00007fe9927ccad0  0x00007fe9927d2e01  Yes         /lib64/libXrender.so.1
>0x00007fe9925b6420  0x00007fe9925c35f7  Yes         /lib64/libz.so.1
>0x00007fe992391a30  0x00007fe9923a3efc  Yes         /lib64/libatspi.so.0
>0x00007fe99213ea90  0x00007fe99216b2b5  No          /lib64/libdbus-1.so.3
>0x00007fe991f28810  0x00007fe991f2d29a  Yes         /lib64/libffi.so.6
>0x00007fe991c8a530  0x00007fe991ceccbe  Yes         /lib64/libharfbuzz.so.0
>0x00007fe991a79f10  0x00007fe991a7dad7  Yes         /lib64/libthai.so.0
>0x00007fe99185d6b0  0x00007fe991861a3f  Yes         /lib64/libfribidi.so.0
>0x00007fe991624b50  0x00007fe991644e87  Yes         /lib64/libexpat.so.1
>0x00007fe99141b740  0x00007fe99141f171  No          /lib64/libuuid.so.1
>0x00007fe9911f7df0  0x00007fe99120f93f  Yes         /lib64/libselinux.so.1
>0x00007fe990fdd840  0x00007fe990fe960e  Yes         /lib64/libresolv.so.2
>0x00007fe990d8cf30  0x00007fe990dc453e  No          /lib64/libmount.so.1
>0x00007fe990b70700  0x00007fe990b7d3e6  No          /lib64/libbz2.so.1
>0x00007fe99096be70  0x00007fe99096cb5e  Yes         /lib64/libXau.so.6
>0x00007fe9906dd150  0x00007fe9907419d9  No          /lib64/libsystemd.so.0
>0x00007fe9904a4780  0x00007fe9904c568c  Yes         /lib64/libgraphite2.so.3
>0x00007fe99029c3b0  0x00007fe99029f5a0  Yes         /lib64/libdatrie.so.1
>0x00007fe99001d160  0x00007fe990077f73  Yes         /lib64/libpcre2-8.so.0
>0x00007fe98fdd4740  0x00007fe98fe0559e  No          /lib64/libblkid.so.1
>0x00007fe98fba60b0  0x00007fe98fbbcf66  Yes         /lib64/liblzma.so.5
>0x00007fe98f98dfd0  0x00007fe98f99f3db  No          /lib64/liblz4.so.1
>0x00007fe98f7885b0  0x00007fe98f789e8f  Yes         /lib64/libcap.so.2
>0x00007fe98f4775c0  0x00007fe98f54553c  Yes         /lib64/libgcrypt.so.20
>0x00007fe98f2501e0  0x00007fe98f2617ee  Yes         /lib64/libgpg-error.so.0
>0x00007fe98f04a180  0x00007fe98f04a4d5  Yes         /usr/lib64/firefox/libmozwayland.so
>0x00007fe98921b2c0  0x00007fe98cdd1240  Yes         /usr/lib64/firefox/libxul.so
>0x00007fe988828590  0x00007fe98882866f  Yes         /lib64/libX11-xcb.so.1
>0x00007fe9885e0330  0x00007fe988610a43  Yes         /lib64/libssl3.so
>0x00007fe9883b5330  0x00007fe9883ca1b7  Yes         /lib64/libsmime3.so
>0x00007fe98809a060  0x00007fe98816eabb  Yes         /lib64/libnss3.so
>0x00007fe987e5baa0  0x00007fe987e6bfac  Yes         /lib64/libnssutil3.so
>0x00007fe987beace0  0x00007fe987c24520  Yes         /lib64/libjpeg.so.62
>0x00007fe9877b7030  0x00007fe987996b83  Yes         /lib64/libvpx.so.5
>0x00007fe98758ff40  0x00007fe9875a4b98  Yes         /lib64/libdbus-glib-1.so.2
>0x00007fe98737e190  0x00007fe9873816b2  Yes         /lib64/libstartup-notification-1.so.0
>0x00007fe987124130  0x00007fe9871612c1  Yes         /lib64/libXt.so.6
>0x00007fe986f0f660  0x00007fe986f0f7a2  Yes         /lib64/libgthread-2.0.so.0
>0x00007fe986d0b550  0x00007fe986d0c320  Yes         /lib64/libxcb-util.so.1
>0x00007fe986b01bc0  0x00007fe986b05e07  Yes         /lib64/libSM.so.6
>0x00007fe9868e8f30  0x00007fe9868f6ada  Yes         /lib64/libICE.so.6
>0x00007fe9764d7110  0x00007fe9764f238a  No          /usr/lib64/gio/modules/libgvfsdbus.so
>0x00007fe97629fa70  0x00007fe9762b724a  No          /usr/lib64/gvfs/libgvfscommon.so
>0x00007fe976089e80  0x00007fe97608a7a8  Yes         /lib64/libutil.so.1
>0x00007fe974bfd8a0  0x00007fe974bfe234  No          /usr/lib64/gtk-3.0/modules/libpk-gtk-module.so
>0x00007fe9749f7160  0x00007fe9749f9204  Yes         /usr/lib64/gtk-3.0/modules/libcanberra-gtk-module.so
>0x00007fe9747f0d40  0x00007fe9747f2326  Yes         /lib64/libcanberra-gtk3.so.0
>0x00007fe9745e0120  0x00007fe9745e978a  Yes         /lib64/libcanberra.so.0
>0x00007fe9743d5fb0  0x00007fe9743da4d0  Yes         /lib64/libvorbisfile.so.3
>0x00007fe9741c15b0  0x00007fe9741cd20d  Yes         /lib64/libtdb.so.1
>0x00007fe973fb6380  0x00007fe973fba716  Yes         /lib64/libltdl.so.7
>0x00007fe973d8a650  0x00007fe973da165d  Yes         /lib64/libvorbis.so.0
>0x00007fe973b81a00  0x00007fe973b83df9  Yes         /lib64/libogg.so.0
>0x00007fe9739581d0  0x00007fe973961ef0  Yes         /lib64/libcrypt.so.1
>0x00007fe9703bae70  0x00007fe9703e80b1  No          /lib64/libpulse.so.0
>0x00007fe97013f880  0x00007fe9701852be  No          /usr/lib64/pulseaudio/libpulsecommon-12.2.so
>0x00007fe96ff24460  0x00007fe96ff26deb  Yes         /lib64/libXtst.so.6
>0x00007fe96fcb79d0  0x00007fe96fd01545  Yes         /lib64/libsndfile.so.1
>0x00007fe96faac310  0x00007fe96faae9ac  Yes         /lib64/libasyncns.so.0
>0x00007fe96f8a02f0  0x00007fe96f8a8773  Yes         /lib64/libgsm.so.1
>0x00007fe96f64ef90  0x00007fe96f6940b3  No          /lib64/libFLAC.so.8
>0x00007fe96f3b0ae0  0x00007fe96f3b3176  Yes         /lib64/libvorbisenc.so.2
>0x00007fe96b9c5280  0x00007fe96b9f097c  Yes         /lib64/libsoftokn3.so
>0x00007fe96b6cc5d0  0x00007fe96b7903d0  No          /lib64/libsqlite3.so.0
>0x00007fe96b439480  0x00007fe96b497dad  Yes         /lib64/libfreeblpriv3.so
>0x00007fe9646c34b0  0x00007fe9646d7bbd  Yes         /usr/lib64/firefox/libmozavutil.so
>0x00007fe96374c7b0  0x00007fe9638b8c7d  Yes         /usr/lib64/firefox/libmozavcodec.so
>                                        No          /lib64/libavcodec.so.58
>                                        No          /lib64/libswresample.so.3
>                                        No          /lib64/libavutil.so.56
>                                        No          /lib64/libopencore-amrwb.so.0
>0x00007fe961a3a810  0x00007fe961b14158  Yes         /lib64/librsvg-2.so.2
>0x00007fe961797bb0  0x00007fe9617ddaab  Yes         /lib64/libzvbi.so.0
>0x00007fe9610f5b50  0x00007fe9613d2065  Yes         /lib64/libaom.so.0
>0x00007fe960e0e5a0  0x00007fe960e3fc04  Yes         /lib64/libmp3lame.so.0
>                                        No          /lib64/libopencore-amrnb.so.0
>0x00007fe960993f20  0x00007fe9609ce973  Yes         /lib64/libopenjp2.so.7
>                                        No          /lib64/libopus.so.0
>0x00007fe960513770  0x00007fe960524fe9  Yes         /lib64/libspeex.so.1
>0x00007fe9602d34a0  0x00007fe9602fd70e  Yes         /lib64/libtheoraenc.so.1
>0x00007fe9600b8580  0x00007fe9600ce6e4  Yes         /lib64/libtheoradec.so.1
>                                        No          /lib64/libvo-amrwbenc.so.0
>                                        No          /lib64/libx264.so.152
>                                        No          /lib64/libx265.so.151
>                                        No          /lib64/libxvidcore.so.4
>0x00007fe95f0c4b50  0x00007fe95f0d6def  Yes         /lib64/libva.so.2
>0x00007fe95eeb49a0  0x00007fe95eebbe12  Yes         /lib64/libmfx.so.1
>0x00007fe95ec48a00  0x00007fe95ec706be  Yes         /lib64/libsoxr.so.0
>0x00007fe968f7bd70  0x00007fe968f7c40d  Yes         /lib64/libva-drm.so.2
>0x00007fe95ea40810  0x00007fe95ea42abc  Yes         /lib64/libva-x11.so.2
>0x00007fe95e83c0b0  0x00007fe95e83cf33  Yes         /lib64/libvdpau.so.1
>0x00007fe95e62df50  0x00007fe95e63699f  Yes         /lib64/libdrm.so.2
>0x00007fe95e40eac0  0x00007fe95e4201ab  Yes         /lib64/libOpenCL.so.1
>0x00007fe95e1d7c70  0x00007fe95e1f6765  Yes         /lib64/libcroco-0.6.so.3
>0x00007fe95de96810  0x00007fe95df7ab9e  Yes         /lib64/libxml2.so.2
>0x00007fe95dc5f330  0x00007fe95dc63fb7  No          /lib64/libnuma.so.1
>0x00007fe95da333c0  0x00007fe95da522de  No          /lib64/libgomp.so.1
>                                        No          /lib64/libx265_main12.so.151
>0x00007fe958ff6ce0  0x00007fe958ffbe12  Yes         /usr/lib64/gio/modules/libdconfsettings.so
>0x00007fe958df0c00  0x00007fe958df100d  Yes         /usr/lib64/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so
>$1 = 0x0
>$2 = 0x0
>rax            0x407fe9588149f0	18155038698457584
>rbx            0x7fe9588149c0	140640188975552
>rcx            0x7fe98ee57180	140641101508992
>rdx            0x200000000000000	144115188075855872
>rsi            0xa4	164
>rdi            0x0	0
>rbp            0x40	0x40
>rsp            0x7fe9728f9230	0x7fe9728f9230
>r8             0x7fe9588149a0	140640188975520
>r9             0x1	1
>r10            0x0	0
>r11            0x7fe95c500398	140640252855192
>r12            0x7fe9728f92ac	140640626119340
>r13            0x1	1
>r14            0x7fe958814000	140640188973056
>r15            0x0	0
>rip            0x7fe98c6f7790	0x7fe98c6f7790 <bool FinalizeTypedArenas<JSObject>(js::FreeOp*, js::gc::Arena**, js::gc::SortedArenaList&, js::gc::AllocKind, js::SliceBudget&, js::gc::ArenaLists::KeepArenasEnum)+864>
>eflags         0x10202	[ IF RF ]
>cs             0x33	51
>ss             0x2b	43
>ds             0x0	0
>es             0x0	0
>fs             0x0	0
>gs             0x0	0
>Dump of assembler code for function _Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE:
>   0x00007fe98c6f7430 <+0>:	push   %r15
>   0x00007fe98c6f7432 <+2>:	push   %r14
>   0x00007fe98c6f7434 <+4>:	mov    %r8,%r14
>   0x00007fe98c6f7437 <+7>:	push   %r13
>   0x00007fe98c6f7439 <+9>:	push   %r12
>   0x00007fe98c6f743b <+11>:	push   %rbp
>   0x00007fe98c6f743c <+12>:	push   %rbx
>   0x00007fe98c6f743d <+13>:	mov    %ecx,%ebx
>   0x00007fe98c6f743f <+15>:	sub    $0xe8,%rsp
>   0x00007fe98c6f7446 <+22>:	mov    %rdi,0x30(%rsp)
>   0x00007fe98c6f744b <+27>:	mov    (%rdi),%rdi
>   0x00007fe98c6f744e <+30>:	mov    %rsi,0x38(%rsp)
>   0x00007fe98c6f7453 <+35>:	mov    %rdx,0x50(%rsp)
>   0x00007fe98c6f7458 <+40>:	mov    %r9d,0x64(%rsp)
>   0x00007fe98c6f745d <+45>:	mov    %fs:0x28,%rax
>   0x00007fe98c6f7466 <+54>:	mov    %rax,0xd8(%rsp)
>   0x00007fe98c6f746e <+62>:	xor    %eax,%eax
>   0x00007fe98c6f7470 <+64>:	movb   $0x0,0xc8(%rsp)
>   0x00007fe98c6f7478 <+72>:	test   %rdi,%rdi
>   0x00007fe98c6f747b <+75>:	je     0x7fe98c6f74b1 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+129>
>   0x00007fe98c6f747d <+77>:	mov    %rdi,0xb0(%rsp)
>   0x00007fe98c6f7485 <+85>:	add    $0x1550,%rdi
>   0x00007fe98c6f748c <+92>:	movb   $0x0,0xc0(%rsp)
>   0x00007fe98c6f7494 <+100>:	mov    %rdi,0xb8(%rsp)
>   0x00007fe98c6f749c <+108>:	callq  0x7fe989216b60 <_ZN7mozilla6detail9MutexImpl4lockEv@plt>
>   0x00007fe98c6f74a1 <+113>:	movb   $0x1,0xc0(%rsp)
>   0x00007fe98c6f74a9 <+121>:	movb   $0x1,0xc8(%rsp)
>   0x00007fe98c6f74b1 <+129>:	movzbl %bl,%edx
>   0x00007fe98c6f74b4 <+132>:	mov    0x50(%rsp),%rsi
>   0x00007fe98c6f74b9 <+137>:	mov    %r14,0x28(%rsp)
>   0x00007fe98c6f74be <+142>:	lea    0x179155b(%rip),%rax        # 0x7fe98de88a20 <_ZN2js2gc5Arena10ThingSizesE>
>   0x00007fe98c6f74c5 <+149>:	mov    (%rax,%rdx,4),%eax
>   0x00007fe98c6f74c8 <+152>:	mov    %rdx,0x40(%rsp)
>   0x00007fe98c6f74cd <+157>:	mov    %rax,0x8(%rsp)
>   0x00007fe98c6f74d2 <+162>:	lea    0x1791447(%rip),%rax        # 0x7fe98de88920 <_ZN2js2gc5Arena14ThingsPerArenaE>
>   0x00007fe98c6f74d9 <+169>:	mov    (%rax,%rdx,4),%eax
>   0x00007fe98c6f74dc <+172>:	mov    %rax,0x20(%rsp)
>   0x00007fe98c6f74e1 <+177>:	shl    $0x4,%rax
>   0x00007fe98c6f74e5 <+181>:	lea    0x8(%rsi,%rax,1),%rax
>   0x00007fe98c6f74ea <+186>:	mov    %rax,0x68(%rsp)
>   0x00007fe98c6f74ef <+191>:	lea    0x80(%rsp),%rax
>   0x00007fe98c6f74f7 <+199>:	mov    %rax,0x10(%rsp)
>   0x00007fe98c6f74fc <+204>:	lea    0x7c(%rsp),%rax
>   0x00007fe98c6f7501 <+209>:	mov    %rax,0x48(%rsp)
>   0x00007fe98c6f7506 <+214>:	lea    0xb0(%rsp),%rax
>   0x00007fe98c6f750e <+222>:	mov    %rax,0x58(%rsp)
>   0x00007fe98c6f7513 <+227>:	mov    0x38(%rsp),%rdx
>   0x00007fe98c6f7518 <+232>:	mov    (%rdx),%r15
>   0x00007fe98c6f751b <+235>:	test   %r15,%r15
>   0x00007fe98c6f751e <+238>:	je     0x7fe98c6f78e0 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1200>
>   0x00007fe98c6f7524 <+244>:	mov    0x10(%r15),%rax
>   0x00007fe98c6f7528 <+248>:	mov    0x40(%rsp),%rdi
>   0x00007fe98c6f752d <+253>:	mov    %r15,%rsi
>   0x00007fe98c6f7530 <+256>:	xor    %r12d,%r12d
>   0x00007fe98c6f7533 <+259>:	mov    %r15,%r14
>   0x00007fe98c6f7536 <+262>:	mov    $0x1,%r13d
>   0x00007fe98c6f753c <+268>:	mov    %r12,%r15
>   0x00007fe98c6f753f <+271>:	mov    %rax,(%rdx)
>   0x00007fe98c6f7542 <+274>:	lea    0x1791457(%rip),%rax        # 0x7fe98de889a0 <_ZN2js2gc5Arena17FirstThingOffsetsE>
>   0x00007fe98c6f7549 <+281>:	xor    %edx,%edx
>   0x00007fe98c6f754b <+283>:	mov    (%rax,%rdi,4),%ebp
>   0x00007fe98c6f754e <+286>:	mov    0x10(%rsp),%rdi
>   0x00007fe98c6f7553 <+291>:	callq  0x7fe98c6e3db0 <js::gc::ArenaCellIterImpl::init(js::gc::Arena*, js::gc::CellIterNeedsBarrier)>
>   0x00007fe98c6f7558 <+296>:	mov    0x48(%rsp),%rbx
>   0x00007fe98c6f755d <+301>:	mov    0xa0(%rsp),%rax
>   0x00007fe98c6f7565 <+309>:	mov    %rbx,%r12
>   0x00007fe98c6f7568 <+312>:	nopl   0x0(%rax,%rax,1)
>   0x00007fe98c6f7570 <+320>:	cmp    $0x1000,%rax
>   0x00007fe98c6f7576 <+326>:	je     0x7fe98c6f7670 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+576>
>   0x00007fe98c6f757c <+332>:	mov    0x10(%rsp),%rdi
>   0x00007fe98c6f7581 <+337>:	callq  0x7fe98c1a7bf0 <js::gc::ArenaCellIterImpl::getCell() const>
>   0x00007fe98c6f7586 <+342>:	mov    %r13,%rdi
>   0x00007fe98c6f7589 <+345>:	mov    %rax,%rsi
>   0x00007fe98c6f758c <+348>:	mov    %rax,%rbx
>   0x00007fe98c6f758f <+351>:	and    $0xfffffffffff00000,%rax
>   0x00007fe98c6f7595 <+357>:	and    $0xfffff,%esi
>   0x00007fe98c6f759b <+363>:	or     $0xfc0a0,%rax
>   0x00007fe98c6f75a1 <+369>:	mov    %rsi,%rcx
>   0x00007fe98c6f75a4 <+372>:	shr    $0x9,%rsi
>   0x00007fe98c6f75a8 <+376>:	shr    $0x3,%rcx
>   0x00007fe98c6f75ac <+380>:	shl    %cl,%rdi
>   0x00007fe98c6f75af <+383>:	test   %rdi,(%rax,%rsi,8)
>   0x00007fe98c6f75b3 <+387>:	jne    0x7fe98c6f7718 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+744>
>   0x00007fe98c6f75b9 <+393>:	add    $0x1,%rcx
>   0x00007fe98c6f75bd <+397>:	mov    %r13,%rdx
>   0x00007fe98c6f75c0 <+400>:	mov    %rcx,%rsi
>   0x00007fe98c6f75c3 <+403>:	shl    %cl,%rdx
>   0x00007fe98c6f75c6 <+406>:	shr    $0x6,%rsi
>   0x00007fe98c6f75ca <+410>:	test   %rdx,(%rax,%rsi,8)
>   0x00007fe98c6f75ce <+414>:	jne    0x7fe98c6f7718 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+744>
>   0x00007fe98c6f75d4 <+420>:	mov    (%rbx),%rax
>   0x00007fe98c6f75d7 <+423>:	mov    (%rax),%rcx
>   0x00007fe98c6f75da <+426>:	mov    0x10(%rcx),%rax
>   0x00007fe98c6f75de <+430>:	testb  $0x4,0xa(%rcx)
>   0x00007fe98c6f75e2 <+434>:	je     0x7fe98c6f7750 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+800>
>   0x00007fe98c6f75e8 <+440>:	test   %rax,%rax
>   0x00007fe98c6f75eb <+443>:	je     0x7fe98c6f7600 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+464>
>   0x00007fe98c6f75ed <+445>:	mov    0x30(%rax),%rax
>   0x00007fe98c6f75f1 <+449>:	test   %rax,%rax
>   0x00007fe98c6f75f4 <+452>:	je     0x7fe98c6f7600 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+464>
>   0x00007fe98c6f75f6 <+454>:	mov    %rbx,%rsi
>   0x00007fe98c6f75f9 <+457>:	mov    0x30(%rsp),%rdi
>   0x00007fe98c6f75fe <+462>:	callq  *%rax
>   0x00007fe98c6f7600 <+464>:	mov    0xa0(%rsp),%rax
>   0x00007fe98c6f7608 <+472>:	mov    0x88(%rsp),%rsi
>   0x00007fe98c6f7610 <+480>:	add    %rsi,%rax
>   0x00007fe98c6f7613 <+483>:	mov    %rax,0xa0(%rsp)
>   0x00007fe98c6f761b <+491>:	cmp    $0xfff,%rax
>   0x00007fe98c6f7621 <+497>:	ja     0x7fe98c6f7570 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+320>
>   0x00007fe98c6f7627 <+503>:	movzwl 0x98(%rsp),%ecx
>   0x00007fe98c6f762f <+511>:	cmp    %rcx,%rax
>   0x00007fe98c6f7632 <+514>:	jne    0x7fe98c6f7570 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+320>
>   0x00007fe98c6f7638 <+520>:	movzwl 0x9a(%rsp),%ecx
>   0x00007fe98c6f7640 <+528>:	lea    (%rsi,%rcx,1),%rax
>   0x00007fe98c6f7644 <+532>:	mov    0x90(%rsp),%rsi
>   0x00007fe98c6f764c <+540>:	mov    %rax,0xa0(%rsp)
>   0x00007fe98c6f7654 <+548>:	mov    (%rsi,%rcx,1),%ecx
>   0x00007fe98c6f7657 <+551>:	mov    %ecx,0x98(%rsp)
>   0x00007fe98c6f765e <+558>:	cmp    $0x1000,%rax
>   0x00007fe98c6f7664 <+564>:	jne    0x7fe98c6f757c <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+332>
>   0x00007fe98c6f766a <+570>:	nopw   0x0(%rax,%rax,1)
>   0x00007fe98c6f7670 <+576>:	mov    %r12,%rbx
>   0x00007fe98c6f7673 <+579>:	mov    %r15,%r12
>   0x00007fe98c6f7676 <+582>:	mov    %r14,%r15
>   0x00007fe98c6f7679 <+585>:	test   %r12,%r12
>   0x00007fe98c6f767c <+588>:	je     0x7fe98c6f7800 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+976>
>   0x00007fe98c6f7682 <+594>:	cmp    $0x1000,%rbp
>   0x00007fe98c6f7689 <+601>:	je     0x7fe98c6f7890 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1120>
>   0x00007fe98c6f768f <+607>:	sub    0x8(%rsp),%rax
>   0x00007fe98c6f7694 <+612>:	mov    %bp,(%rbx)
>   0x00007fe98c6f7697 <+615>:	mov    %ax,0x2(%rbx)
>   0x00007fe98c6f769b <+619>:	movzwl %ax,%eax
>   0x00007fe98c6f769e <+622>:	movl   $0x0,(%r14,%rax,1)
>   0x00007fe98c6f76a6 <+630>:	mov    0x7c(%rsp),%eax
>   0x00007fe98c6f76aa <+634>:	mov    0x50(%rsp),%rdx
>   0x00007fe98c6f76af <+639>:	lea    0x10(%r15),%r8
>   0x00007fe98c6f76b3 <+643>:	mov    %eax,(%r15)
>   0x00007fe98c6f76b6 <+646>:	mov    0x20(%rsp),%rax
>   0x00007fe98c6f76bb <+651>:	sub    %r12,%rax
>   0x00007fe98c6f76be <+654>:	shl    $0x4,%rax
>   0x00007fe98c6f76c2 <+658>:	lea    0x8(%rdx,%rax,1),%rax
>   0x00007fe98c6f76c7 <+663>:	mov    0x8(%rax),%rdx
>   0x00007fe98c6f76cb <+667>:	mov    %r15,(%rdx)
>   0x00007fe98c6f76ce <+670>:	mov    %r8,0x8(%rax)
>   0x00007fe98c6f76d2 <+674>:	mov    0x28(%rsp),%rdx
>   0x00007fe98c6f76d7 <+679>:	mov    0x18(%rdx),%rax
>   0x00007fe98c6f76db <+683>:	mov    %rax,0x18(%rsp)
>   0x00007fe98c6f76e0 <+688>:	sub    0x20(%rsp),%rax
>   0x00007fe98c6f76e5 <+693>:	mov    %rax,0x18(%rdx)
>   0x00007fe98c6f76e9 <+697>:	test   %rax,%rax
>   0x00007fe98c6f76ec <+700>:	jg     0x7fe98c6f7513 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+227>
>   0x00007fe98c6f76f2 <+706>:	callq  0x7fe98c59a430 <PRMJ_Now()>
>   0x00007fe98c6f76f7 <+711>:	mov    0x28(%rsp),%rdx
>   0x00007fe98c6f76fc <+716>:	cmp    0x10(%rdx),%rax
>   0x00007fe98c6f7700 <+720>:	jge    0x7fe98c6f78a0 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1136>
>   0x00007fe98c6f7706 <+726>:	movq   $0x3e8,0x18(%rdx)
>   0x00007fe98c6f770e <+734>:	jmpq   0x7fe98c6f7506 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+214>
>   0x00007fe98c6f7713 <+739>:	nopl   0x0(%rax,%rax,1)
>   0x00007fe98c6f7718 <+744>:	and    $0xfff,%ebx
>   0x00007fe98c6f771e <+750>:	cmp    %rbp,%rbx
>   0x00007fe98c6f7721 <+753>:	je     0x7fe98c6f773d <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+781>
>   0x00007fe98c6f7723 <+755>:	mov    %rbx,%rax
>   0x00007fe98c6f7726 <+758>:	sub    0x8(%rsp),%rax
>   0x00007fe98c6f772b <+763>:	mov    %bp,(%r12)
>   0x00007fe98c6f7730 <+768>:	mov    %ax,0x2(%r12)
>   0x00007fe98c6f7736 <+774>:	movzwl %ax,%r12d
>   0x00007fe98c6f773a <+778>:	add    %r14,%r12
>   0x00007fe98c6f773d <+781>:	mov    0x8(%rsp),%rax
>   0x00007fe98c6f7742 <+786>:	add    $0x1,%r15
>   0x00007fe98c6f7746 <+790>:	lea    (%rax,%rbx,1),%rbp
>   0x00007fe98c6f774a <+794>:	jmpq   0x7fe98c6f7600 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+464>
>   0x00007fe98c6f774f <+799>:	nop
>   0x00007fe98c6f7750 <+800>:	test   %rax,%rax
>   0x00007fe98c6f7753 <+803>:	je     0x7fe98c6f7768 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+824>
>   0x00007fe98c6f7755 <+805>:	mov    0x30(%rax),%rax
>   0x00007fe98c6f7759 <+809>:	test   %rax,%rax
>   0x00007fe98c6f775c <+812>:	je     0x7fe98c6f7768 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+824>
>   0x00007fe98c6f775e <+814>:	mov    %rbx,%rsi
>   0x00007fe98c6f7761 <+817>:	mov    0x30(%rsp),%rdi
>   0x00007fe98c6f7766 <+822>:	callq  *%rax
>   0x00007fe98c6f7768 <+824>:	test   %rbx,%rbx
>   0x00007fe98c6f776b <+827>:	je     0x7fe98c6f7600 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+464>
>   0x00007fe98c6f7771 <+833>:	mov    0x10(%rbx),%rdi
>   0x00007fe98c6f7775 <+837>:	test   %rdi,%rdi
>   0x00007fe98c6f7778 <+840>:	jne    0x7fe98c6f77f0 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+960>
>   0x00007fe98c6f777a <+842>:	mov    0x18(%rbx),%rax
>   0x00007fe98c6f777e <+846>:	cmp    0x27924fb(%rip),%rax        # 0x7fe98ee89c80 <_ZN2js19emptyObjectElementsE>
>   0x00007fe98c6f7785 <+853>:	je     0x7fe98c6f77c8 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+920>
>   0x00007fe98c6f7787 <+855>:	cmp    0x27924ea(%rip),%rax        # 0x7fe98ee89c78 <_ZN2js25emptyObjectElementsSharedE>
>   0x00007fe98c6f778e <+862>:	je     0x7fe98c6f77c8 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+920>
>=> 0x00007fe98c6f7790 <+864>:	mov    -0x10(%rax),%esi
>   0x00007fe98c6f7793 <+867>:	mov    %rax,%rdi
>   0x00007fe98c6f7796 <+870>:	lea    -0x10(%rax),%r8
>   0x00007fe98c6f779a <+874>:	mov    %esi,%ecx
>   0x00007fe98c6f779c <+876>:	shr    $0x15,%ecx
>   0x00007fe98c6f779f <+879>:	shl    $0x3,%rcx
>   0x00007fe98c6f77a3 <+883>:	sub    %rcx,%rdi
>   0x00007fe98c6f77a6 <+886>:	lea    0x30(%rbx),%rcx
>   0x00007fe98c6f77aa <+890>:	cmp    %rcx,%rdi
>   0x00007fe98c6f77ad <+893>:	je     0x7fe98c6f77c8 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+920>
>   0x00007fe98c6f77af <+895>:	and    $0x4,%esi
>   0x00007fe98c6f77b2 <+898>:	je     0x7fe98c6f7850 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1056>
>   0x00007fe98c6f77b8 <+904>:	mov    -0xc(%rax),%ecx
>   0x00007fe98c6f77bb <+907>:	cmp    (%rax,%rcx,8),%rbx
>   0x00007fe98c6f77bf <+911>:	je     0x7fe98c6f7900 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1232>
>   0x00007fe98c6f77c5 <+917>:	nopl   (%rax)
>   0x00007fe98c6f77c8 <+920>:	mov    0x8(%rbx),%rax
>   0x00007fe98c6f77cc <+924>:	add    $0x8,%rbx
>   0x00007fe98c6f77d0 <+928>:	cmp    %rbx,0x20(%rax)
>   0x00007fe98c6f77d4 <+932>:	jne    0x7fe98c6f7600 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+464>
>   0x00007fe98c6f77da <+938>:	movq   $0x0,0x20(%rax)
>   0x00007fe98c6f77e2 <+946>:	jmpq   0x7fe98c6f7600 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+464>
>   0x00007fe98c6f77e7 <+951>:	nopw   0x0(%rax,%rax,1)
>   0x00007fe98c6f77f0 <+960>:	callq  0x7fe989218580 <free@plt>
>   0x00007fe98c6f77f5 <+965>:	jmp    0x7fe98c6f777a <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+842>
>   0x00007fe98c6f77f7 <+967>:	nopw   0x0(%rax,%rax,1)
>   0x00007fe98c6f7800 <+976>:	cmpl   $0x1,0x64(%rsp)
>   0x00007fe98c6f7805 <+981>:	jne    0x7fe98c6f7860 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1072>
>   0x00007fe98c6f7807 <+983>:	movzbl 0x18(%r15),%edx
>   0x00007fe98c6f780c <+988>:	lea    0x179118d(%rip),%rsi        # 0x7fe98de889a0 <_ZN2js2gc5Arena17FirstThingOffsetsE>
>   0x00007fe98c6f7813 <+995>:	mov    0x68(%rsp),%rbx
>   0x00007fe98c6f7818 <+1000>:	lea    0x10(%r15),%r8
>   0x00007fe98c6f781c <+1004>:	mov    (%rsi,%rdx,4),%ecx
>   0x00007fe98c6f781f <+1007>:	lea    0x17911fa(%rip),%rsi        # 0x7fe98de88a20 <_ZN2js2gc5Arena10ThingSizesE>
>   0x00007fe98c6f7826 <+1014>:	mov    (%rsi,%rdx,4),%edx
>   0x00007fe98c6f7829 <+1017>:	mov    %cx,(%r15)
>   0x00007fe98c6f782d <+1021>:	sub    %rdx,%rax
>   0x00007fe98c6f7830 <+1024>:	mov    %ax,0x2(%r15)
>   0x00007fe98c6f7835 <+1029>:	movzwl %ax,%eax
>   0x00007fe98c6f7838 <+1032>:	movl   $0x0,(%r15,%rax,1)
>   0x00007fe98c6f7840 <+1040>:	mov    0x8(%rbx),%rax
>   0x00007fe98c6f7844 <+1044>:	mov    %r15,(%rax)
>   0x00007fe98c6f7847 <+1047>:	mov    %r8,0x8(%rbx)
>   0x00007fe98c6f784b <+1051>:	jmpq   0x7fe98c6f76d2 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+674>
>   0x00007fe98c6f7850 <+1056>:	sub    $0x10,%rdi
>   0x00007fe98c6f7854 <+1060>:	callq  0x7fe989218580 <free@plt>
>   0x00007fe98c6f7859 <+1065>:	jmpq   0x7fe98c6f77c8 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+920>
>   0x00007fe98c6f785e <+1070>:	xchg   %ax,%ax
>   0x00007fe98c6f7860 <+1072>:	mov    0x30(%rsp),%rax
>   0x00007fe98c6f7865 <+1077>:	mov    0x58(%rsp),%rdx
>   0x00007fe98c6f786a <+1082>:	mov    %r15,%rsi
>   0x00007fe98c6f786d <+1085>:	mov    (%rax),%rax
>   0x00007fe98c6f7870 <+1088>:	lea    0x4c8(%rax),%rdi
>   0x00007fe98c6f7877 <+1095>:	mov    %rax,0x18(%rsp)
>   0x00007fe98c6f787c <+1100>:	callq  0x7fe98c6f0a70 <js::gc::GCRuntime::releaseArena(js::gc::Arena*, js::AutoLockGC const&)>
>   0x00007fe98c6f7881 <+1105>:	jmpq   0x7fe98c6f76d2 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+674>
>   0x00007fe98c6f7886 <+1110>:	nopw   %cs:0x0(%rax,%rax,1)
>   0x00007fe98c6f7890 <+1120>:	movl   $0x0,(%rbx)
>   0x00007fe98c6f7896 <+1126>:	jmpq   0x7fe98c6f76a6 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+630>
>   0x00007fe98c6f789b <+1131>:	nopl   0x0(%rax,%rax,1)
>   0x00007fe98c6f78a0 <+1136>:	xor    %ebx,%ebx
>   0x00007fe98c6f78a2 <+1138>:	cmpb   $0x0,0xc8(%rsp)
>   0x00007fe98c6f78aa <+1146>:	jne    0x7fe98c6f78ef <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1215>
>   0x00007fe98c6f78ac <+1148>:	mov    %ebx,%eax
>   0x00007fe98c6f78ae <+1150>:	mov    0xd8(%rsp),%rbx
>   0x00007fe98c6f78b6 <+1158>:	xor    %fs:0x28,%rbx
>   0x00007fe98c6f78bf <+1167>:	jne    0x7fe98c6f795b <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1323>
>   0x00007fe98c6f78c5 <+1173>:	add    $0xe8,%rsp
>   0x00007fe98c6f78cc <+1180>:	pop    %rbx
>   0x00007fe98c6f78cd <+1181>:	pop    %rbp
>   0x00007fe98c6f78ce <+1182>:	pop    %r12
>   0x00007fe98c6f78d0 <+1184>:	pop    %r13
>   0x00007fe98c6f78d2 <+1186>:	pop    %r14
>   0x00007fe98c6f78d4 <+1188>:	pop    %r15
>   0x00007fe98c6f78d6 <+1190>:	retq   
>   0x00007fe98c6f78d7 <+1191>:	nopw   0x0(%rax,%rax,1)
>   0x00007fe98c6f78e0 <+1200>:	cmpb   $0x0,0xc8(%rsp)
>   0x00007fe98c6f78e8 <+1208>:	mov    $0x1,%ebx
>   0x00007fe98c6f78ed <+1213>:	je     0x7fe98c6f78ac <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1148>
>   0x00007fe98c6f78ef <+1215>:	lea    0xb0(%rsp),%rdi
>   0x00007fe98c6f78f7 <+1223>:	callq  0x7fe98c6e0fd0 <js::AutoLockGC::~AutoLockGC()>
>   0x00007fe98c6f78fc <+1228>:	jmp    0x7fe98c6f78ac <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1148>
>   0x00007fe98c6f78fe <+1230>:	xchg   %ax,%ax
>   0x00007fe98c6f7900 <+1232>:	mov    0x30(%rsp),%rdi
>   0x00007fe98c6f7905 <+1237>:	mov    0x10(%rdi),%rax
>   0x00007fe98c6f7909 <+1241>:	cmp    0x18(%rdi),%rax
>   0x00007fe98c6f790d <+1245>:	je     0x7fe98c6f7930 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1280>
>   0x00007fe98c6f790f <+1247>:	mov    0x30(%rsp),%rsi
>   0x00007fe98c6f7914 <+1252>:	mov    0x8(%rsi),%rcx
>   0x00007fe98c6f7918 <+1256>:	mov    %r8,(%rcx,%rax,8)
>   0x00007fe98c6f791c <+1260>:	addq   $0x1,0x10(%rsi)
>   0x00007fe98c6f7921 <+1265>:	jmpq   0x7fe98c6f77c8 <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+920>
>   0x00007fe98c6f7926 <+1270>:	nopw   %cs:0x0(%rax,%rax,1)
>   0x00007fe98c6f7930 <+1280>:	lea    0x8(%rdi),%rdi
>   0x00007fe98c6f7934 <+1284>:	mov    $0x1,%esi
>   0x00007fe98c6f7939 <+1289>:	mov    %r8,0x18(%rsp)
>   0x00007fe98c6f793e <+1294>:	callq  0x7fe98c6f72b0 <mozilla::Vector<void*, 0ul, js::SystemAllocPolicy>::growStorageBy(unsigned long)>
>   0x00007fe98c6f7943 <+1299>:	test   %al,%al
>   0x00007fe98c6f7945 <+1301>:	je     0x7fe98927ce99 <FinalizeTypedArenas<JSObject>(js::FreeOp*, js::gc::Arena**, js::gc::SortedArenaList&, js::gc::AllocKind, js::SliceBudget&, js::gc::ArenaLists::KeepArenasEnum)>
>   0x00007fe98c6f794b <+1307>:	mov    0x30(%rsp),%rax
>   0x00007fe98c6f7950 <+1312>:	mov    0x18(%rsp),%r8
>   0x00007fe98c6f7955 <+1317>:	mov    0x10(%rax),%rax
>   0x00007fe98c6f7959 <+1321>:	jmp    0x7fe98c6f790f <_Z19FinalizeTypedArenasI8JSObjectEbPN2js6FreeOpEPPNS1_2gc5ArenaERNS4_15SortedArenaListENS4_9AllocKindERNS1_11SliceBudgetENS4_10ArenaLists14KeepArenasEnumE+1247>
>   0x00007fe98c6f795b <+1323>:	callq  0x7fe98920fcd0 <__stack_chk_fail@plt>
>End of assembler dump.
>== EXPLOITABLE ==

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Attachments on bug 1632586: 1486626 | 1486627 | 1486628 | 1486629 | 1486630 | 1486631 | 1486632 | 1486633 | 1486634 | 1486635 | 1486636 | 1486637