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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Analyzer cannot determine std::string empty"
href="http://llvm.org/bugs/show_bug.cgi?id=20798">20798</a>
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<th>Summary</th>
<td>Analyzer cannot determine std::string empty
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<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>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Static Analyzer
</td>
</tr>
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<th>Assignee</th>
<td>kremenek@apple.com
</td>
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<th>Reporter</th>
<td>Jani_Lahtinen@mcafee.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>Created <span class=""><a href="attachment.cgi?id=12950" name="attach_12950" title="Test code">attachment 12950</a> <a href="attachment.cgi?id=12950&action=edit" title="Test code">[details]</a></span>
Test code
Possible a duplicate of <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Analyzer does not realise list is not empty"
href="show_bug.cgi?id=19161">bug 19161</a>, but the static analyzer fails to infer
whether std::string is emtpy. For the attached code scan-build says:
tst.cc:45:7: warning: Assigned value is garbage or undefined
xxx = x;
^ ~
1 warning generated.
scan-build: 1 bug found.
But when the program is run one can see that it is not the case.</pre>
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