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<head>
<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - crash in LiveDebugVariables inside LexicalScopes::initialize"
href="http://llvm.org/bugs/show_bug.cgi?id=22652">22652</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>crash in LiveDebugVariables inside LexicalScopes::initialize
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dcallahan@fb.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=13922" name="attach_13922" title="input bitcode file associated with bug">attachment 13922</a> <a href="attachment.cgi?id=13922&action=edit" title="input bitcode file associated with bug">[details]</a></span>
input bitcode file associated with bug
"clang" crashes with this command line on the attach test.c
... build/Debug+Asserts/bin/clang -O2 -S -o test.s -x ir test.bc
and produces this stack trace:
clang: /home/dcallahan/llvm-trunk/llvm/lib/CodeGen/LexicalScopes.cpp:170:
llvm::LexicalScope* llvm::LexicalS\
copes::getOrCreateRegularScope(llvm::MDNode*): Assertion
`DISubprogram(Scope).describes(MF->getFunction())' \
failed.
0 clang 0x000000000437f53c llvm::sys::PrintStackTrace(_IO_FILE*) +
38
1 clang 0x000000000437f7d7
2 clang 0x000000000437e498
3 libpthread.so.0 0x00007f696213d710
4 libc.so.6 0x00007f6961526625 gsignal + 53
5 libc.so.6 0x00007f6961527e05 abort + 373
6 libc.so.6 0x00007f696151f74e
7 libc.so.6 0x00007f696151f810 __assert_perror_fail + 0
8 clang 0x0000000003a1b1f0
llvm::LexicalScopes::getOrCreateRegularScope(llvm::MDNode*) + 746
9 clang 0x0000000003a1af04
llvm::LexicalScopes::getOrCreateLexicalScope(llvm::DebugLoc) + 176
10 clang 0x0000000003a1b089
llvm::LexicalScopes::getOrCreateRegularScope(llvm::MDNode*) + 387
11 clang 0x0000000003a1af04
llvm::LexicalScopes::getOrCreateLexicalScope(llvm::DebugLoc) + 176
12 clang 0x0000000003a1b3b0
llvm::LexicalScopes::getOrCreateInlinedScope(llvm::MDNode*, llvm::MDNo\
de*) + 268
13 clang 0x0000000003a1aeef
llvm::LexicalScopes::getOrCreateLexicalScope(llvm::DebugLoc) + 155
14 clang 0x0000000003a1b3b0
llvm::LexicalScopes::getOrCreateInlinedScope(llvm::MDNode*, llvm::MDNo\
de*) + 268
15 clang 0x0000000003a1aeef
llvm::LexicalScopes::getOrCreateLexicalScope(llvm::DebugLoc) + 155
16 clang 0x0000000003a1aa60
llvm::LexicalScopes::extractLexicalScopes(llvm::SmallVectorImpl<std::p\
air<llvm::MachineInstr const*, llvm::MachineInstr const*> >&,
llvm::DenseMap<llvm::MachineInstr const*, llvm\
::LexicalScope*, llvm::DenseMapInfo<llvm::MachineInstr const*>,
llvm::detail::DenseMapPair<llvm::MachineInst\
r const*, llvm::LexicalScope*> >&) + 452
17 clang 0x0000000003a1a834
llvm::LexicalScopes::initialize(llvm::MachineFunction const&) + 112
18 clang 0x0000000003bf4388
19 clang 0x0000000003bf4631
llvm::LiveDebugVariables::runOnMachineFunction(llvm::MachineFunction&)\
+ 185
20 clang 0x0000000003a80419
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 95
21 clang 0x00000000042cf850
llvm::FPPassManager::runOnFunction(llvm::Function&) + 290
22 clang 0x00000000042cf9c0
llvm::FPPassManager::runOnModule(llvm::Module&) + 84
23 clang 0x00000000042cfd14
24 clang 0x00000000042d03c2
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 244
25 clang 0x00000000042d05e1
llvm::legacy::PassManager::run(llvm::Module&) + 39
26 clang 0x00000000015fdf21
27 clang 0x00000000015fdff3
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOpti\
ons const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::StringRef, llvm::Module*, clang::B\
ackendAction, llvm::raw_ostream*) + 127
28 clang 0x00000000015e1c0e clang::CodeGenAction::ExecuteAction() +
1318
29 clang 0x00000000012f47ff clang::FrontendAction::Execute() + 139
30 clang 0x00000000012ba1be
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 770
31 clang 0x000000000127c264
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1102
32 clang 0x0000000001268439 cc1_main(llvm::ArrayRef<char const*>,
char const*, void*) + 689
33 clang 0x0000000001275b1e
34 clang 0x00000000012760d6 main + 1027
35 libc.so.6 0x00007f6961512d5d __libc_start_main + 253
36 clang 0x0000000001266c19
Stack dump:</pre>
</div>
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