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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - attribute vector_size doesn't allow const expresions"
href="http://llvm.org/bugs/show_bug.cgi?id=16986">16986</a>
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<th>Summary</th>
<td>attribute vector_size doesn't allow const expresions
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</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>artur@ebasoft.com.pl
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>template<typename T>
union point
{
T vec __attribute__((__vector_size__((sizeof(T)<<1))));
struct { T x,y; };
};
error: '__vector_size__' attribute requires an integer constant
T vec __attribute__((__vector_size__((sizeof(T)<<1))));
^ ~~~~~~~~~~~~~~</pre>
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