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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Destructor of std::any should not propagate exceptions"
href="https://bugs.llvm.org/show_bug.cgi?id=51758">51758</a>
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<th>Summary</th>
<td>Destructor of std::any should not propagate exceptions
</td>
</tr>
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<th>Product</th>
<td>libc++
</td>
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<th>Version</th>
<td>12.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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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>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>johelegp@gmail.com
</td>
</tr>
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<th>CC</th>
<td>johelegp@gmail.com, llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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<p>
<div>
<pre>See <a href="https://godbolt.org/z/Yrszd3d4f">https://godbolt.org/z/Yrszd3d4f</a>, and
<a href="https://github.com/cplusplus/draft/issues/4863#issuecomment-913215699">https://github.com/cplusplus/draft/issues/4863#issuecomment-913215699</a>. The
destructor fails to meet the requirements of
<a href="https://eel.is/c++draft/res.on.exception.handling#3">https://eel.is/c++draft/res.on.exception.handling#3</a>:
<span class="quote">> Destructor operations defined in the C++ standard library shall not throw exceptions. Every destructor in the C++ standard library shall behave as if it had a non-throwing exception specification.</span >
```C++
#include <any>
struct X { ~X() noexcept(false) { throw 0; } };
int main()
try {
std::any x{X{}};
}
catch(int) {
throw 0ull; // Terminate on thrown int means throw within noexcept
}
```
```
Program returned: 139
libc++abi: terminating with uncaught exception of type unsigned long long
```</pre>
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