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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Call through alias of null crashes X86 backend"
href="http://llvm.org/bugs/show_bug.cgi?id=20153">20153</a>
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<th>Summary</th>
<td>Call through alias of null crashes X86 backend
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>david.majnemer@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>consider:
@ext_fun = alias void ()* null
define void @fun() {
call void @ext_fun()
ret void
}
run with:
$ ~/llvm/build/bin/llc -mtriple i386-pc-win32 t.ll -filetype=obj -o t.obj
llc: ~/llvm/src/lib/MC/WinCOFFObjectWriter.cpp:703: virtual void <anonymous
namespace>::WinCOFFObjectWriter::RecordRelocation(const llvm::MCAssembler &,
const llvm::MCAsmLayout &, const llvm::MCFragment *, const llvm::MCFixup &,
llvm::MCValue, bool &, uint64_t &): Assertion `Target.getSymA() && "Relocation
must reference a symbol!"' failed.</pre>
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