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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 - CSA issues false positive warning if `if()` is used."
href="https://bugs.llvm.org/show_bug.cgi?id=40114">40114</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>CSA issues false positive warning if `if()` is used.
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>7.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<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>// Not decorated analyzer_noreturn
void someMethod()
{
}
struct A
{
int someApi();
};
int testAssert(A* a) {
return a->someApi();
}
int testAssert3(A* a) {
if (a)
; // do nothing
return a->someApi();
}
int testAssert5(A* a) {
if (a)
someMethod();
return a->someApi();
}
Neither of the following should be issued:
$ clang --analyze ../tmp/assert.cpp
../tmp/assert.cpp:20:12: warning: Called C++ object pointer is null
return a->someApi();
^~~~~~~~~~~~
../tmp/assert.cpp:26:12: warning: Called C++ object pointer is null
return a->someApi();
^~~~~~~~~~~~
2 warnings generated.</pre>
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