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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -Wuninitialized warning on empty struct"
href="https://llvm.org/bugs/show_bug.cgi?id=26468">26468</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>-Wuninitialized warning on empty struct
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<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>hjl.tools@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>[hjl@gnu-6 empty-2]$ cat x.c
struct empty {};
struct empty
foo (void)
{
struct empty s;
return s;
}
[hjl@gnu-6 empty-2]$ make
/export/build/gnu/llvm-clang-bootstrap/stage1/build-x86_64-linux/bin/clang -m32
-S -O -Wall x.c
x.c:7:10: warning: variable 's' is uninitialized when used here
[-Wuninitialized]
return s;
^
x.c:6:3: note: variable 's' is declared here
struct empty s;
^
1 warning generated.
[hjl@gnu-6 empty-2]$
Shouldn't empty struct be a special case here?</pre>
</div>
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