Attachment 1926758 Details for Bug 2142648 – reduced LLVM IR

reduced LLVM IR

reduced.ll (text/plain), 22.52 KB, created by Josh Stone on 2022-11-23 18:28:01 UTC

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Creator: Josh Stone

Created: 2022-11-23 18:28:01 UTC

Size: 22.52 KB

patch

obsolete

>; ModuleID = 'reduced.bc'
>target datalayout = "e-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
>target triple = "powerpc64le-unknown-linux-gnu"
>
>; Function Attrs: argmemonly nocallback nofree nounwind willreturn
>declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0
>
>; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
>declare void @llvm.dbg.value(metadata, metadata, metadata) #1
>
>define void @"_ZN55_$LT$std..io..stdio..Stdin$u20$as$u20$std..io..Read$GT$11read_to_end17haba70a09681d41d3E"(i1 %0) personality ptr null {
>  %2 = load ptr, ptr null, align 8
>  %3 = sub i64 0, 0
>  call void @llvm.dbg.value(metadata !DIArgList(ptr %2, i64 %3), metadata !129, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 1, DW_OP_mul, DW_OP_plus, DW_OP_stack_value, DW_OP_LLVM_fragment, 64, 64)), !dbg !140
>  br i1 %0, label %4, label %5
>
>4:                                                ; preds = %1
>  ret void
>
>5:                                                ; preds = %1
>  tail call void @llvm.memcpy.p0.p0.i64(ptr null, ptr %2, i64 %3, i1 false)
>  br i1 %0, label %7, label %6
>
>6:                                                ; preds = %5
>  br label %7
>
>7:                                                ; preds = %6, %5
>  ret void
>}
>
>attributes #0 = { argmemonly nocallback nofree nounwind willreturn }
>attributes #1 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
>
>!llvm.module.flags = !{!0}
>!llvm.dbg.cu = !{!1}
>
>!0 = !{i32 2, !"Debug Info Version", i32 3}
>!1 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !2, producer: "clang LLVM (rustc version 1.67.0-dev)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
>!2 = !DIFile(filename: "library/std/src/lib.rs/@/std.ff910444-cgu.11", directory: "/home/jistone/rust")
>!3 = !{}
>!4 = !{!5, !12, !18, !23, !28, !34, !43, !49, !52, !58, !64, !68, !77, !81, !86, !90, !98, !102, !106, !111, !117, !124}
>!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
>!6 = distinct !DIGlobalVariable(name: "<alloc::string::String as core::fmt::Write>::{vtable}", scope: null, file: !7, type: !8, isLocal: true, isDefinition: true)
>!7 = !DIFile(filename: "<unknown>", directory: "")
>!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<alloc::string::String as core::fmt::Write>::{vtable_type}", file: !7, size: 384, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !9, templateParams: !3, identifier: "1ec913b2a90798f33a12cdc627a17d3d")
>!9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "String", scope: !10, file: !7, size: 192, align: 64, elements: !3, templateParams: !3, identifier: "b616ccc9e18737e903266aae12eea82")
>!10 = !DINamespace(name: "string", scope: !11)
>!11 = !DINamespace(name: "alloc", scope: null)
>!12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression())
>!13 = distinct !DIGlobalVariable(name: "<core::cell::BorrowMutError as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !14, isLocal: true, isDefinition: true)
>!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<core::cell::BorrowMutError as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !15, templateParams: !3, identifier: "7f09904511177108b2e94c43effbe403")
>!15 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "BorrowMutError", scope: !16, file: !7, align: 8, elements: !3, identifier: "acf9edd4524e0ff9a9398905d3ba31a6")
>!16 = !DINamespace(name: "cell", scope: !17)
>!17 = !DINamespace(name: "core", scope: null)
>!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
>!19 = distinct !DIGlobalVariable(name: "<core::fmt::Error as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !20, isLocal: true, isDefinition: true)
>!20 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<core::fmt::Error as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !21, templateParams: !3, identifier: "84cb7e6d80fc4c532d8f45aaa75a7ae3")
>!21 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Error", scope: !22, file: !7, align: 8, elements: !3, identifier: "abcb9fb1fe4fda8598a8687b517935b")
>!22 = !DINamespace(name: "fmt", scope: !17)
>!23 = !DIGlobalVariableExpression(var: !24, expr: !DIExpression())
>!24 = distinct !DIGlobalVariable(name: "<core::array::TryFromSliceError as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !25, isLocal: true, isDefinition: true)
>!25 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<core::array::TryFromSliceError as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !26, templateParams: !3, identifier: "bafa31943f8233dbf8d2de6a615f899")
>!26 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "TryFromSliceError", scope: !27, file: !7, align: 8, elements: !3, templateParams: !3, identifier: "2dd7cf8d77337f63be7c7f5feb370b37")
>!27 = !DINamespace(name: "array", scope: !17)
>!28 = !DIGlobalVariableExpression(var: !29, expr: !DIExpression())
>!29 = distinct !DIGlobalVariable(name: "<core::num::error::TryFromIntError as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !30, isLocal: true, isDefinition: true)
>!30 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<core::num::error::TryFromIntError as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !31, templateParams: !3, identifier: "3292395ea0f5a7e3e88f36db52eb440c")
>!31 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "TryFromIntError", scope: !32, file: !7, align: 8, elements: !3, templateParams: !3, identifier: "5b131d57d001578fbf4fb83f2028eb12")
>!32 = !DINamespace(name: "error", scope: !33)
>!33 = !DINamespace(name: "num", scope: !17)
>!34 = !DIGlobalVariableExpression(var: !35, expr: !DIExpression())
>!35 = distinct !DIGlobalVariable(name: "OUTPUT_CAPTURE_USED", linkageName: "_ZN3std2io5stdio19OUTPUT_CAPTURE_USED17h6bb564f9f9e20f1bE", scope: !36, file: !39, line: 38, type: !40, isLocal: true, isDefinition: true, align: 8)
>!36 = !DINamespace(name: "stdio", scope: !37)
>!37 = !DINamespace(name: "io", scope: !38)
>!38 = !DINamespace(name: "std", scope: null)
>!39 = !DIFile(filename: "library/std/src/io/stdio.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "6e6a519ce8370e29f07d850a34a413c1")
>!40 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "AtomicBool", scope: !41, file: !7, size: 8, align: 8, elements: !3, templateParams: !3, identifier: "c1cddf0305d4e6a98a8ddd4b6fdb5b91")
>!41 = !DINamespace(name: "atomic", scope: !42)
>!42 = !DINamespace(name: "sync", scope: !17)
>!43 = !DIGlobalVariableExpression(var: !44, expr: !DIExpression())
>!44 = distinct !DIGlobalVariable(name: "INSTANCE", linkageName: "_ZN3std2io5stdio5stdin8INSTANCE17h225ddf7c6608f4aaE", scope: !45, file: !39, line: 320, type: !46, isLocal: true, isDefinition: true, align: 64)
>!45 = !DINamespace(name: "stdin", scope: !36)
>!46 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "OnceLock<std::sync::mutex::Mutex<std::io::buffered::bufreader::BufReader<std::io::stdio::StdinRaw>>>", scope: !47, file: !7, size: 448, align: 64, elements: !3, templateParams: !3, identifier: "2236c08b0846b8b2f33c235183822718")
>!47 = !DINamespace(name: "once_lock", scope: !48)
>!48 = !DINamespace(name: "sync", scope: !38)
>!49 = !DIGlobalVariableExpression(var: !50, expr: !DIExpression())
>!50 = distinct !DIGlobalVariable(name: "STDOUT", linkageName: "_ZN3std2io5stdio6STDOUT17hd8472b9eb112f94aE", scope: !36, file: !39, line: 554, type: !51, isLocal: true, isDefinition: true, align: 64)
>!51 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "OnceLock<std::sys_common::remutex::ReentrantMutex<core::cell::RefCell<std::io::buffered::linewriter::LineWriter<std::io::stdio::StdoutRaw>>>>", scope: !47, file: !7, size: 512, align: 64, elements: !3, templateParams: !3, identifier: "31535135376bcf9dc80438cb0beaa95")
>!52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression())
>!53 = distinct !DIGlobalVariable(name: "INSTANCE", linkageName: "_ZN3std2io5stdio6stderr8INSTANCE17he81b75fda1609dccE", scope: !54, file: !39, line: 844, type: !55, isLocal: true, isDefinition: true, align: 64)
>!54 = !DINamespace(name: "stderr", scope: !36)
>!55 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "ReentrantMutex<core::cell::RefCell<std::io::stdio::StderrRaw>>", scope: !56, file: !7, size: 192, align: 64, elements: !3, templateParams: !3, identifier: "5c48123cbde8afbfd832b70e8bb014b")
>!56 = !DINamespace(name: "remutex", scope: !57)
>!57 = !DINamespace(name: "sys_common", scope: !38)
>!58 = !DIGlobalVariableExpression(var: !59, expr: !DIExpression())
>!59 = distinct !DIGlobalVariable(name: "<std::io::Write::write_fmt::Adapter<std::io::stdio::StdoutLock> as core::fmt::Write>::{vtable}", scope: null, file: !7, type: !60, isLocal: true, isDefinition: true)
>!60 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<std::io::Write::write_fmt::Adapter<std::io::stdio::StdoutLock> as core::fmt::Write>::{vtable_type}", file: !7, size: 384, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !61, templateParams: !3, identifier: "43681bec3eba7b0defb75fd847230ef3")
>!61 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Adapter<std::io::stdio::StdoutLock>", scope: !62, file: !7, size: 128, align: 64, elements: !3, templateParams: !3, identifier: "eda3cd8f60f00feb7019a3d90d2413dd")
>!62 = !DINamespace(name: "write_fmt", scope: !63)
>!63 = !DINamespace(name: "Write", scope: !37)
>!64 = !DIGlobalVariableExpression(var: !65, expr: !DIExpression())
>!65 = distinct !DIGlobalVariable(name: "<std::io::Write::write_fmt::Adapter<std::io::stdio::StderrLock> as core::fmt::Write>::{vtable}", scope: null, file: !7, type: !66, isLocal: true, isDefinition: true)
>!66 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<std::io::Write::write_fmt::Adapter<std::io::stdio::StderrLock> as core::fmt::Write>::{vtable_type}", file: !7, size: 384, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !67, templateParams: !3, identifier: "2235adf22355a080446df25ada963d8f")
>!67 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Adapter<std::io::stdio::StderrLock>", scope: !62, file: !7, size: 128, align: 64, elements: !3, templateParams: !3, identifier: "50f418463bae1beffe989359452b170a")
>!68 = !DIGlobalVariableExpression(var: !69, expr: !DIExpression())
>!69 = distinct !DIGlobalVariable(name: "__KEY", linkageName: "_ZN3std2io5stdio14OUTPUT_CAPTURE7__getit5__KEY17h82ea5b0c4e81236dE", scope: !70, file: !72, line: 331, type: !73, isLocal: true, isDefinition: true, align: 64)
>!70 = !DINamespace(name: "__getit", scope: !71)
>!71 = !DINamespace(name: "OUTPUT_CAPTURE", scope: !36)
>!72 = !DIFile(filename: "library/std/src/thread/local.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "e3766fd5751a888dc2040f63031e944e")
>!73 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Key<core::cell::Cell<core::option::Option<alloc::sync::Arc<std::sync::mutex::Mutex<alloc::vec::Vec<u8, alloc::alloc::Global>>>>>>", scope: !74, file: !7, size: 192, align: 64, elements: !3, templateParams: !3, identifier: "4d1514f685cbd010d7b86d2eef080b6c")
>!74 = !DINamespace(name: "fast", scope: !75)
>!75 = !DINamespace(name: "local", scope: !76)
>!76 = !DINamespace(name: "thread", scope: !38)
>!77 = !DIGlobalVariableExpression(var: !78, expr: !DIExpression())
>!78 = distinct !DIGlobalVariable(name: "<i32 as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !79, isLocal: true, isDefinition: true)
>!79 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<i32 as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !80, templateParams: !3, identifier: "1a7c0806435616633a284f48de1194c5")
>!80 = !DIBasicType(name: "i32", size: 32, encoding: DW_ATE_signed)
>!81 = !DIGlobalVariableExpression(var: !82, expr: !DIExpression())
>!82 = distinct !DIGlobalVariable(name: "<std::path::PathBuf as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !83, isLocal: true, isDefinition: true)
>!83 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<std::path::PathBuf as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !84, templateParams: !3, identifier: "8e82e7dafb168f2995a6711175975a8")
>!84 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PathBuf", scope: !85, file: !7, size: 192, align: 64, elements: !3, templateParams: !3, identifier: "85bd755ad2187534379df2cc01ef53a0")
>!85 = !DINamespace(name: "path", scope: !38)
>!86 = !DIGlobalVariableExpression(var: !87, expr: !DIExpression())
>!87 = distinct !DIGlobalVariable(name: "<bool as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !88, isLocal: true, isDefinition: true)
>!88 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<bool as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !89, templateParams: !3, identifier: "a8f7c32dd1df279746df60c6d46ce35e")
>!89 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
>!90 = !DIGlobalVariableExpression(var: !91, expr: !DIExpression())
>!91 = distinct !DIGlobalVariable(name: "STATX_STATE", linkageName: "_ZN3std3sys4unix2fs9try_statx11STATX_STATE17h465ade0d62262837E", scope: !92, file: !96, line: 157, type: !97, isLocal: true, isDefinition: true, align: 8)
>!92 = !DINamespace(name: "try_statx", scope: !93)
>!93 = !DINamespace(name: "fs", scope: !94)
>!94 = !DINamespace(name: "unix", scope: !95)
>!95 = !DINamespace(name: "sys", scope: !38)
>!96 = !DIFile(filename: "library/std/src/sys/unix/fs.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "594559328c68ee77afe955cd571273ee")
>!97 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "AtomicU8", scope: !41, file: !7, size: 8, align: 8, elements: !3, templateParams: !3, identifier: "dda3b691bea8e1b5292414dd97926af2")
>!98 = !DIGlobalVariableExpression(var: !99, expr: !DIExpression())
>!99 = distinct !DIGlobalVariable(name: "<&bool as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !100, isLocal: true, isDefinition: true)
>!100 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<&bool as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !101, templateParams: !3, identifier: "5e8d2c48c9cc79c318e2bd28b03e141a")
>!101 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "&bool", baseType: !89, size: 64, align: 64, dwarfAddressSpace: 0)
>!102 = !DIGlobalVariableExpression(var: !103, expr: !DIExpression())
>!103 = distinct !DIGlobalVariable(name: "<&i32 as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !104, isLocal: true, isDefinition: true)
>!104 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<&i32 as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !105, templateParams: !3, identifier: "d4029746615b6a868ffbc67515d99878")
>!105 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "&i32", baseType: !80, size: 64, align: 64, dwarfAddressSpace: 0)
>!106 = !DIGlobalVariableExpression(var: !107, expr: !DIExpression())
>!107 = distinct !DIGlobalVariable(name: "<&u32 as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !108, isLocal: true, isDefinition: true)
>!108 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<&u32 as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !109, templateParams: !3, identifier: "178e0e76b9d9178d686381b2d05a7777")
>!109 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "&u32", baseType: !110, size: 64, align: 64, dwarfAddressSpace: 0)
>!110 = !DIBasicType(name: "u32", size: 32, encoding: DW_ATE_unsigned)
>!111 = !DIGlobalVariableExpression(var: !112, expr: !DIExpression())
>!112 = distinct !DIGlobalVariable(name: "<&core::option::Option<std::sys::unix::time::SystemTime> as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !113, isLocal: true, isDefinition: true)
>!113 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<&core::option::Option<std::sys::unix::time::SystemTime> as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !114, templateParams: !3, identifier: "7ca8386b4d420d719587fa3255329a7a")
>!114 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "&core::option::Option<std::sys::unix::time::SystemTime>", baseType: !115, size: 64, align: 64, dwarfAddressSpace: 0)
>!115 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Option<std::sys::unix::time::SystemTime>", scope: !116, file: !7, size: 128, align: 64, elements: !3, templateParams: !3, identifier: "ad8474e495013fa1e3af4a6b53a05f4b")
>!116 = !DINamespace(name: "option", scope: !17)
>!117 = !DIGlobalVariableExpression(var: !118, expr: !DIExpression())
>!118 = distinct !DIGlobalVariable(name: "HAS_CLONE3", linkageName: "_ZN3std3sys4unix7process13process_inner66_$LT$impl$u20$std..sys..unix..process..process_common..Command$GT$7do_fork10HAS_CLONE317h7d23eb353ae1c9a8E", scope: !119, file: !123, line: 148, type: !40, isLocal: true, isDefinition: true, align: 8)
>!119 = !DINamespace(name: "do_fork", scope: !120)
>!120 = !DINamespace(name: "{impl#0}", scope: !121)
>!121 = !DINamespace(name: "process_inner", scope: !122)
>!122 = !DINamespace(name: "process", scope: !94)
>!123 = !DIFile(filename: "library/std/src/sys/unix/process/process_unix.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "91761d638041a5dd66c0a64d968debe6")
>!124 = !DIGlobalVariableExpression(var: !125, expr: !DIExpression())
>!125 = distinct !DIGlobalVariable(name: "<core::num::nonzero::NonZeroI32 as core::fmt::Debug>::{vtable}", scope: null, file: !7, type: !126, isLocal: true, isDefinition: true)
>!126 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "<core::num::nonzero::NonZeroI32 as core::fmt::Debug>::{vtable_type}", file: !7, size: 256, align: 64, flags: DIFlagArtificial, elements: !3, vtableHolder: !127, templateParams: !3, identifier: "13903f30d26ee5869ef7a3fc63a2e03d")
>!127 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "NonZeroI32", scope: !128, file: !7, size: 32, align: 32, elements: !3, templateParams: !3, identifier: "e292f11a32f1ce5cf3b26864e4a0f5e5")
>!128 = !DINamespace(name: "nonzero", scope: !33)
>!129 = !DILocalVariable(name: "iterator", arg: 2, scope: !130, file: !131, line: 83, type: !137)
>!130 = distinct !DISubprogram(name: "spec_extend<u8, alloc::alloc::Global>", linkageName: "_ZN132_$LT$alloc..vec..Vec$LT$T$C$A$GT$$u20$as$u20$alloc..vec..spec_extend..SpecExtend$LT$$RF$T$C$core..slice..iter..Iter$LT$T$GT$$GT$$GT$11spec_extend17hb56b69f474ec1e6dE", scope: !132, file: !131, line: 83, type: !135, scopeLine: 83, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !1, templateParams: !3, retainedNodes: !3)
>!131 = !DIFile(filename: "library/alloc/src/vec/spec_extend.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "0614d5dabe9e343254af1b3fa1ec7315")
>!132 = !DINamespace(name: "{impl#4}", scope: !133)
>!133 = !DINamespace(name: "spec_extend", scope: !134)
>!134 = !DINamespace(name: "vec", scope: !11)
>!135 = distinct !DISubroutineType(types: !136)
>!136 = !{null}
>!137 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Iter<u8>", scope: !138, file: !7, size: 128, align: 64, elements: !3, templateParams: !3, identifier: "c31ab6f02ccece1f1a6e93425acabaa1")
>!138 = !DINamespace(name: "iter", scope: !139)
>!139 = !DINamespace(name: "slice", scope: !17)
>!140 = !DILocation(line: 0, scope: !130, inlinedAt: !141)
>!141 = distinct !DILocation(line: 2392, column: 9, scope: !142, inlinedAt: !146)
>!142 = distinct !DISubprogram(name: "extend_from_slice<u8, alloc::alloc::Global>", linkageName: "_ZN5alloc3vec16Vec$LT$T$C$A$GT$17extend_from_slice17hbc8d29f2694fd768E", scope: !144, file: !143, line: 2391, type: !145, scopeLine: 2391, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !1, templateParams: !3, retainedNodes: !3)
>!143 = !DIFile(filename: "library/alloc/src/vec/mod.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "0d69d0c0c11b3e47364cf6be0d07c829")
>!144 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Vec<u8, alloc::alloc::Global>", scope: !134, file: !7, size: 192, align: 64, elements: !3, templateParams: !3, identifier: "f970dea4d30c1daf847db520fef9390d")
>!145 = distinct !DISubroutineType(types: !136)
>!146 = distinct !DILocation(line: 330, column: 9, scope: !147, inlinedAt: !154)
>!147 = distinct !DILexicalBlock(scope: !149, file: !148, line: 329, column: 9)
>!148 = !DIFile(filename: "library/std/src/io/buffered/bufreader.rs", directory: "/home/jistone/rust", checksumkind: CSK_MD5, checksum: "5375e06de487f85ee2f6d21c8a84ce7d")
>!149 = distinct !DISubprogram(name: "read_to_end<std::io::stdio::StdinRaw>", linkageName: "_ZN82_$LT$std..io..buffered..bufreader..BufReader$LT$R$GT$$u20$as$u20$std..io..Read$GT$11read_to_end17h9f09720ee76e6db9E", scope: !150, file: !148, line: 328, type: !153, scopeLine: 328, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !1, templateParams: !3, retainedNodes: !3)
>!150 = !DINamespace(name: "{impl#3}", scope: !151)
>!151 = !DINamespace(name: "bufreader", scope: !152)
>!152 = !DINamespace(name: "buffered", scope: !37)
>!153 = distinct !DISubroutineType(types: !3)
>!154 = distinct !DILocation(line: 464, column: 9, scope: !155, inlinedAt: !158)
>!155 = distinct !DISubprogram(name: "read_to_end", linkageName: "_ZN59_$LT$std..io..stdio..StdinLock$u20$as$u20$std..io..Read$GT$11read_to_end17h38999a681cc6c5b5E", scope: !156, file: !39, line: 463, type: !157, scopeLine: 463, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !1, templateParams: !3, retainedNodes: !3)
>!156 = !DINamespace(name: "{impl#7}", scope: !36)
>!157 = distinct !DISubroutineType(types: !3)
>!158 = distinct !DILocation(line: 430, column: 9, scope: !159)
>!159 = distinct !DISubprogram(name: "read_to_end", linkageName: "_ZN55_$LT$std..io..stdio..Stdin$u20$as$u20$std..io..Read$GT$11read_to_end17haba70a09681d41d3E", scope: !160, file: !39, line: 429, type: !161, scopeLine: 429, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !1, templateParams: !3, retainedNodes: !3)
>!160 = !DINamespace(name: "{impl#5}", scope: !36)
>!161 = !DISubroutineType(types: !3)

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Attachments on bug 2142648: 1926758