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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - double assignment generates wrong warning"
href="http://llvm.org/bugs/show_bug.cgi?id=16750">16750</a>
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<th>Summary</th>
<td>double assignment generates wrong warning
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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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>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Static Analyzer
</td>
</tr>
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<th>Assignee</th>
<td>kremenek@apple.com
</td>
</tr>
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<th>Reporter</th>
<td>chang.im@watchguard.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Source file:
1 #include <stdio.h>
2 #include <stdlib.h>
3
4 int main(int argc, char **argv) {
5 char *xx, *yy;
6
7 xx = yy = NULL;
8 /* xx = NULL; */
9
10 xx = calloc(1, 20);
11
12 if (xx != NULL)
13 free(xx);
14
15 return 0;
16 }
Following warning which is not correct.
xx.c:7:2: warning: Value stored to 'xx' is never read
xx = yy = NULL;
^ ~~~~~~~~~
1 warning generated.</pre>
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