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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - error: fields must have a constant size: 'variable length array in structure' extension will never be supported"
href="http://llvm.org/bugs/show_bug.cgi?id=21966">21966</a>
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<th>Summary</th>
<td>error: fields must have a constant size: 'variable length array in structure' extension will never be supported
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.4
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>sushil.agarwal@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Ex
#define SOME_MACRO (var1, other_param) \
struct __attribute__((__packed__)) name_t {
char array[var1];
int i;
}__tmp;
...
and caller is
void foo(int var)
{
..
SOME_MACRO(var, ..)
Causing
error: fields must have a constant size: 'variable length array in structure'
extension will never be supported</pre>
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