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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 - False negative -Wreturn-stack-address when returning std::function instead of auto"
href="https://bugs.llvm.org/show_bug.cgi?id=51057">51057</a>
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<th>Summary</th>
<td>False negative -Wreturn-stack-address when returning std::function instead of auto
</td>
</tr>
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<th>Product</th>
<td>new-bugs
</td>
</tr>
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<th>Version</th>
<td>12.0
</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>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>josephcsible@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Consider this C++ code:
#include <functional>
struct Foo {
void bar();
};
auto f() {
Foo foo;
return [&]() {
foo.bar();
};
}
It results in a -Wreturn-stack-address warning, as it should. But if you
replace "auto f()" with "std::function<void()> f()", then the warning goes
away, even though the problem is still there.</pre>
</div>
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