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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang-cl crash building Firefox"
href="https://bugs.llvm.org/show_bug.cgi?id=33997">33997</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang-cl crash building Firefox
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>5.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows XP
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mh+llvm@glandium.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>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 <a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> 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.</pre>
</div>
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