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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - r226467 causes crashes when parsing bitcode generated by LLVM 3.5"
href="https://llvm.org/bugs/show_bug.cgi?id=25248">25248</a>
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<th>Summary</th>
<td>r226467 causes crashes when parsing bitcode generated by LLVM 3.5
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Bitcode Reader
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>tstellar@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
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</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=15109" name="attach_15109" title="bitcode to reproduce crash">attachment 15109</a> <a href="attachment.cgi?id=15109&action=edit" title="bitcode to reproduce crash">[details]</a></span>
bitcode to reproduce crash
Commit r226467 causes llvm-dis to crash when parsing bitcode generated by LLVM
3.5. Here is the backtrace:
#0 0x7f540de75b92 llvm::sys::PrintStackTrace(_IO_FILE*)
(libLLVM-3.7svn.so+0x44db92)
#1 0x7f540de73d21 SignalHandler(int) (libLLVM-3.7svn.so+0x44bd21)
#2 0x7f540d6001c0 (/lib64/libpthread.so.0+0x101c0)
#3 0x7f540e31c200 llvm::Comdat::getName() const (libLLVM-3.7svn.so+0x8f4200)
#4 0x7f540e303b21 llvm::Comdat::print(llvm::raw_ostream&) const
(libLLVM-3.7svn.so+0x8dbb21)
#5 0x7f540e30e60d llvm::AssemblyWriter::printModule(llvm::Module const*)
(libLLVM-3.7svn.so+0x8e660d)
#6 0x7f540e30f571 llvm::Module::print(llvm::raw_ostream&,
llvm::AssemblyAnnotationWriter*) const (libLLVM-3.7svn.so+0x8e7571)
#7 0x402899 main (llvm-dis+0x402899)
#8 0x7f540c5e9a65 __libc_start_main (/lib64/libc.so.6+0x21a65)
#9 0x402a39 _start (llvm-dis+0x402a39)
Attached are 2 files:
comdat-crash-3.5.bc - The bitcode which triggers the bug
comdat-crash-3.5.ll - The LLVM IR used to generate the bitcode with llvm 3.5</pre>
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