https://bugs.llvm.org/show_bug.cgi?id=33997
Bug ID: 33997
Summary: clang-cl crash building Firefox
Product: clang
Version: 5.0
Hardware: PC
OS: Windows XP
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: mh+l...@glandium.org
CC: llvm-bugs@lists.llvm.org
Got this error on Firefox CI when trying to build with clang trunk as well as
the tip of the release_50 branch (although I'm not 100% sure about the latter,
the crash still says clang version 6):
23:25:12 INFO - Wrote crash dump file
"C:\Users\task_1501450873\AppData\Local\Temp\clang-cl.exe-5d77f6.dmp"
23:25:12 INFO - #0 0x0102cce5
llvm::LexicalScopes::getOrCreateLexicalScope(class llvm::DILocalScope const
*,class llvm::DILocation const *)
(z:\build\build\src\clang\bin\clang-cl.exe+0x4bcce5)
23:25:12 INFO - #1 0x0102ca0e
llvm::LexicalScopes::getMachineBasicBlocks(class llvm::DILocation const *,class
llvm::SmallPtrSetImpl<class llvm::MachineBasicBlock const *> &)
(z:\build\build\src\clang\bin\clang-cl.exe+0x4bca0e)
23:25:12 INFO - #2 0x02281259 clang::FriendDecl::anchor(void)
(z:\build\build\src\clang\bin\clang-cl.exe+0x1711259)
23:25:12 INFO - #3 0x00fcd3ea
llvm::SparseBitVectorElement<128>::intersectWithComplement(struct
llvm::SparseBitVectorElement<128> const &,bool &)
(z:\build\build\src\clang\bin\clang-cl.exe+0x45d3ea)
23:25:12 INFO - clang-cl.exe: error: clang frontend command failed due to
signal (use -v to see invocation)
23:25:12 INFO - clang version 6.0.0 (trunk 309511)
23:25:12 INFO - Target: i686-pc-windows-msvc
23:25:12 INFO - Thread model: posix
23:25:12 INFO - InstalledDir: z:\build\build\src\clang\bin
23:25:12 INFO - clang-cl.exe: note: diagnostic msg: PLEASE submit a bug
report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed
source, and associated run script.
23:25:12 INFO - clang-cl.exe: note: diagnostic msg:
23:25:12 INFO - ********************
23:25:12 INFO - PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
23:25:12 INFO - Preprocessed source(s) and associated run script(s) are
located at:
23:25:12 INFO - clang-cl.exe: note: diagnostic msg:
C:\Users\task_1501450873\AppData\Local\Temp\Unified_cpp_layout_style2-74f457.cpp
23:25:12 INFO - clang-cl.exe: note: diagnostic msg:
C:\Users\task_1501450873\AppData\Local\Temp\Unified_cpp_layout_style2-74f457.sh
23:25:12 INFO - clang-cl.exe: note: diagnostic msg:
23:25:12 INFO - ********************
I have the two mentioned files and will attach them. I also have the minidump
if that helps. For good measure, I'll try a Linux build as well.
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