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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - __builtin_dwarf_cfa suspect on ARM"
href="https://llvm.org/bugs/show_bug.cgi?id=30231">30231</a>
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<tr>
<th>Summary</th>
<td>__builtin_dwarf_cfa suspect on ARM
</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>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: ARM
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hfinkel@anl.gov
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Please see:
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang 3.8.0 messes up __builtin_dwarf_cfa (), at least for TARGET_ARCH=powerpc and powerpc64 (gcc/g++ mismatch)"
href="show_bug.cgi?id=26761#c3">https://llvm.org/bugs/show_bug.cgi?id=26761#c3</a>
and:
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang 3.8.0 messes up __builtin_dwarf_cfa (), at least for TARGET_ARCH=powerpc and powerpc64 (gcc/g++ mismatch)"
href="show_bug.cgi?id=26761#c4">https://llvm.org/bugs/show_bug.cgi?id=26761#c4</a>
But, in short, it looks like ARM probably needs to lower __builtin_dwarf_cfa
like Mips and PowerPC do (by lowering ISD::EH_DWARF_CFA directly), and not
using the default x86-inspired method. See r280350.</pre>
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</p>
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