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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 - -Wunneeded-internal-declaration disregards sizeof(x)"
href="https://bugs.llvm.org/show_bug.cgi?id=33068">33068</a>
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<th>Summary</th>
<td>-Wunneeded-internal-declaration disregards sizeof(x)
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.6
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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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>Frontend
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>stefan@bytereef.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>$ clang --version
Ubuntu clang version 3.6.0-2ubuntu1~trusty1 (tags/RELEASE_360/final) (based on
LLVM 3.6.0)
Target: x86_64-pc-linux-gnu
Thread model: posix
$ cat test.c
static int x = 10;
int
main(void)
{
return sizeof(x) == 4;
}
$ clang -Wall -Wextra -Werror -o test test.c
test.c:1:12: error: variable 'x' is not needed and will not be emitted
[-Werror,-Wunneeded-internal-declaration]
static int x = 10;
^
1 error generated.</pre>
</div>
</p>
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