Bug 2149992

Summary: Failure to compile std::u16string from libstdc++ 12.1 in c++20 mode
Product: [Fedora] Fedora Reporter: leigh scott <leigh123linux>
Component: clangAssignee: Tom Stellard <tstellar>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 36CC: airlied, dmalcolm, jakub, jchecahi, jistone, kkleine, kwizart, npopov, sbergman, scottt.tw, sergesanspaille, siddharth.kde, tbaeder, tstellar, tuliom
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Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: clang-14.0.5-2.fc36 Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2022-12-14 02:11:29 UTC Type: Bug
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description leigh scott 2022-12-01 14:33:23 UTC 
Description of problem: chromium-108 fails to compile.

[54374/54383] rm -f obj/chrome/browser/libbrowser.a && "llvm-ar" -T -r -c -s -D obj/chrome/browser/libbrowser.a @"obj/chrome/browser/libbrowser.a.rsp"
[54375/54383] /usr/bin/python3 "../../build/toolchain/gcc_link_wrapper.py" --output="./v8_context_snapshot_generator" -- clang++ -fuse-ld=lld -Wl,--build-id=sha1 -fPIC -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--color-diagnostics -Wl,-mllvm,-instcombine-lower-dbg-declare=0 -flto=thin -Wl,--thinlto-jobs=all -Wl,--thinlto-cache-dir=thinlto-cache -Wl,--thinlto-cache-policy=cache_size=10\%:cache_size_bytes=40g:cache_size_files=100000 -Wl,-mllvm,-import-instr-limit=30 -fwhole-program-vtables -Wl,--no-call-graph-profile-sort -m64 -Wl,-O2 -Wl,--gc-sections -rdynamic -Wl,-z,defs -Wl,--as-needed -Wl,--lto-O0 -pie -Wl,--disable-new-dtags -Wl,--icf=none -L/usr/lib64 -o "./v8_context_snapshot_generator" -Wl,--start-group @"./v8_context_snapshot_generator.rsp"  -Wl,--end-group  -latomic -ldl -lpthread -lrt -lgmodule-2.0 -lglib-2.0 -lgobject-2.0 -lgthread-2.0 -lsmime3 -lnss3 -lnssutil3 -lplds4 -lplc4 -lnspr4 -lresolv -lgio-2.0 -lexpat -luuid -lm -lz -lX11 -lXcomposite -lXdamage -lXext -lXfixes -lXrender -lXrandr -lXtst -lpipewire-0.3 -lgbm -lEGL -ldrm -lxcb -lxkbcommon -lXi -lpci -lffi -ldbus-1 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -lcairo -latk-1.0 -latk-bridge-2.0 -lasound -lpulse -latspi
FAILED: v8_context_snapshot_generator 
/usr/bin/python3 "../../build/toolchain/gcc_link_wrapper.py" --output="./v8_context_snapshot_generator" -- clang++ -fuse-ld=lld -Wl,--build-id=sha1 -fPIC -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--color-diagnostics -Wl,-mllvm,-instcombine-lower-dbg-declare=0 -flto=thin -Wl,--thinlto-jobs=all -Wl,--thinlto-cache-dir=thinlto-cache -Wl,--thinlto-cache-policy=cache_size=10\%:cache_size_bytes=40g:cache_size_files=100000 -Wl,-mllvm,-import-instr-limit=30 -fwhole-program-vtables -Wl,--no-call-graph-profile-sort -m64 -Wl,-O2 -Wl,--gc-sections -rdynamic -Wl,-z,defs -Wl,--as-needed -Wl,--lto-O0 -pie -Wl,--disable-new-dtags -Wl,--icf=none -L/usr/lib64 -o "./v8_context_snapshot_generator" -Wl,--start-group @"./v8_context_snapshot_generator.rsp"  -Wl,--end-group  -latomic -ldl -lpthread -lrt -lgmodule-2.0 -lglib-2.0 -lgobject-2.0 -lgthread-2.0 -lsmime3 -lnss3 -lnssutil3 -lplds4 -lplc4 -lnspr4 -lresolv -lgio-2.0 -lexpat -luuid -lm -lz -lX11 -lXcomposite -lXdamage -lXext -lXfixes -lXrender -lXrandr -lXtst -lpipewire-0.3 -lgbm -lEGL -ldrm -lxcb -lxkbcommon -lXi -lpci -lffi -ldbus-1 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -lcairo -latk-1.0 -latk-bridge-2.0 -lasound -lpulse -latspi
ld.lld: error: undefined symbol: void std::__cxx11::basic_string<char16_t, std::char_traits<char16_t>, std::allocator<char16_t> >::_M_construct<char16_t const*>(char16_t const*, char16_t const*, std::forward_iterator_tag)
>>> referenced by skeleton_generator.cc
>>>               thinlto-cache/llvmcache-74F39D4271E61E212B9DE8AF2A31A2A8E125F721:(SkeletonGenerator::MaybeRemoveDiacritics[abi:cxx11](base::BasicStringPiece<char16_t, std::char_traits<char16_t> >))
clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.
RPM build errors:


Version-Release number of selected component (if applicable): llvm-14.0.5-1.fc36


Additional info: https://github.com/llvm/llvm-project/issues/55560
Comment 1 Nicolas Chauvet (kwizart) 2022-12-01 14:38:53 UTC 
Here is a backport done in pagure: (test in progress).
https://src.fedoraproject.org/rpms/llvm/pull-request/157
Comment 2 Nicolas Chauvet (kwizart) 2022-12-01 14:40:42 UTC 
Koji scratch build for f36
https://koji.fedoraproject.org/koji/taskinfo?taskID=94789660
Comment 3 Nicolas Chauvet (kwizart) 2022-12-01 15:27:42 UTC 
Okay, failed to apply the patch as appropriate:

https://src.fedoraproject.org/rpms/clang/pull-request/188
https://koji.fedoraproject.org/koji/taskinfo?taskID=94792137
Comment 4 Fedora Update System 2022-12-05 12:00:16 UTC 
FEDORA-2022-291436cf64 has been submitted as an update to Fedora 36. https://bodhi.fedoraproject.org/updates/FEDORA-2022-291436cf64
Comment 5 Fedora Update System 2022-12-06 01:18:12 UTC 
FEDORA-2022-291436cf64 has been pushed to the Fedora 36 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2022-291436cf64`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2022-291436cf64

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 6 Fedora Update System 2022-12-14 02:11:29 UTC 
FEDORA-2022-291436cf64 has been pushed to the Fedora 36 stable repository.
If problem still persists, please make note of it in this bug report.