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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - `__attribute__((__aligned__))` is incorrect for ARM"
href="https://bugs.llvm.org/show_bug.cgi?id=34299">34299</a>
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<th>Summary</th>
<td>`__attribute__((__aligned__))` is incorrect for ARM
</td>
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<th>Product</th>
<td>clang
</td>
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<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<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>LLVM Codegen
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>compnerd@compnerd.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>```
struct s {} __attribute__((__aligned__));
_Static_assert(_Alignof(struct s) == 8, "mis-aligned");
```
With GCC:
$ armv7-unknown-linux-gnueabi-cc -c /tmp/align.c -o /dev/null
With clang:
$ clang -target armv7-unknown-linux-gnueabi -c /tmp/align.c -o /dev/null
/tmp/align.c:3:1: error: static_assert failed "mis-aligned"
_Static_assert(_Alignof(struct s) == 8, "mis-aligned");
^ ~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.</pre>
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