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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - False positive "Potential leak of memory pointed to by""
href="http://llvm.org/bugs/show_bug.cgi?id=17596">17596</a>
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<th>Summary</th>
<td>False positive "Potential leak of memory pointed to by"
</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>
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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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>kremenek@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bjorn.topel@gmail.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>The following code:
$ cat minimal.c
#include <string.h>
union u {
int i;
char *s;
};
void f(union u uu);
void g(void)
{
union u uu;
uu.s = strdup("");
f(uu);
}
$ scan-build clang -Wall -c minimal.c -o minimal.o
yields:
scan-build: Using '/usr/bin/clang' for static analysis
minimal.c:14:2: warning: Potential leak of memory pointed to by 'uu.s'
f(uu);
^~~~~
1 warning generated.
scan-build: 1 bugs found.
f will take ownership of the pointer.</pre>
</div>
</p>
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