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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Conditions in macros not correctly handled"
href="https://bugs.llvm.org/show_bug.cgi?id=40109">40109</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Conditions in macros not correctly handled
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>7.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</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>dcoughlin@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>steveire@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dcoughlin@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>#define ASSUME(COND) if (!(COND)) return 0
struct A
{
int someApi();
};
int testAssert(A* a) {
if (!(!a))
return 0;
return a->someApi();
}
int testAssert3(A* a) {
ASSUME(!a);
return a->someApi();
}
$ clang++ --analyze ../tmp/assert.cpp
../tmp/assert.cpp:13:12: warning: Called C++ object pointer is null
return a->someApi();
^~~~~~~~~~~~
1 warning generated.</pre>
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