https://llvm.org/bugs/show_bug.cgi?id=28311
Bug ID: 28311
Summary: Regression(r273807): Assertion failed:
UndefinedSubrange || ElementSize == Size when building
chrome/win with debug info
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: DebugInfo
Assignee: unassignedb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
https://build.chromium.org/p/chromium.fyi/builders/CrWinAsan/builds/3718/steps/compile/logs/stdio
[602/30294] CXX obj\third_party\modp_b64\modp_b64_win64.modp_b64.obj
FAILED: obj/third_party/modp_b64/modp_b64_win64.modp_b64.obj
ninja -t msvc -e environment.x64 --
"..\..\third_party/llvm-build/Release+Asserts/bin/clang-cl" -m64 /nologo
/showIncludes /FC @obj\third_party\modp_b64\modp_b64_win64.modp_b64.obj.rsp /c
..\..\third_party\modp_b64\modp_b64.cc
/Foobj\third_party\modp_b64\modp_b64_win64.modp_b64.obj
/Fdobj\third_party\modp_b64\modp_b64_win64.cc.pdb
Assertion failed: UndefinedSubrange || ElementSize == Size, file
C:\b\build\slave\CrWinAsan\build\src\third_party\llvm\lib\CodeGen\AsmPrinter\CodeViewDebug.cpp,
line 961
Wrote crash dump file
"C:\Users\CHROME~1\AppData\Local\Temp\clang-cl.exe-d44a56.dmp"
#0 0x0000000140a03255
(C:\b\build\slave\CrWinAsan\build\src\third_party\llvm-build\Release+Asserts\bin\clang-cl.exe+0xfe3255)
That's very early in the build, so I'd expect this to repro eg in self-host
clang builds (or when building any project really).
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