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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Build broken with glibc 2.26 on AArch64"
href="https://bugs.llvm.org/show_bug.cgi?id=34719">34719</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Build broken with glibc 2.26 on AArch64
</td>
</tr>
<tr>
<th>Product</th>
<td>compiler-rt
</td>
</tr>
<tr>
<th>Version</th>
<td>4.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</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>
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<th>Component</th>
<td>compiler-rt
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>tstellar@redhat.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>This glibc commit[1] renamed the __reserved field from the m_context struct to
__glibc_reserved1,
which is causing build failure on aarch64:
lib/sanitizer_common/sanitizer_linux.cc: In function 'bool
__sanitizer::Aarch64GetESR(ucontext_t*, __sanitizer::u64*)':
lib/sanitizer_common/sanitizer_linux.cc:1268:35: error: 'struct mcontext_t' has
no member named '__reserved'; did you mean '__glibc_reserved1'?
u8 *aux = ucontext->uc_mcontext.__reserved;
^~~~~~~~~~
__glibc_reserved1
I have not tested trunk yet, but just from looking at the source code, it looks
like trunk compiler-rt will fail to compile too.
See also: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=21457">https://sourceware.org/bugzilla/show_bug.cgi?id=21457</a>
[1]
<a href="https://sourceware.org/git/?p=glibc.git;a=commit;h=4fa9b3bfe6759c82beb4b043a54a3598ca467289">https://sourceware.org/git/?p=glibc.git;a=commit;h=4fa9b3bfe6759c82beb4b043a54a3598ca467289</a></pre>
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