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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Bad diagnostic with -Wpacked"
href="https://llvm.org/bugs/show_bug.cgi?id=25545">25545</a>
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<tr>
<th>Summary</th>
<td>Bad diagnostic with -Wpacked
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.7
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>eyal.lotem@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>struct a {
struct b {
short x;
int y;
} __attribute__((packed)) data;
};
/*
clang -Wpacked -o warnings.o -c warnings.c
warnings.c:3:13: warning: packed attribute is unnecessary for 'x' [-Wpacked]
short x;
^
1 warning generated.
*/
clang --version:
Ubuntu clang version 3.7.0-svn251177-1~exp1 (branches/release_37) (based on
LLVM 3.7.0)
Target: x86_64-pc-linux-gnu
Thread model: posix
This does not reproduce for me if I do not use a nested struct.</pre>
</div>
</p>
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