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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -Wexceptions warns about caught exception in noexcept function"
href="https://bugs.llvm.org/show_bug.cgi?id=34804">34804</a>
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<th>Summary</th>
<td>-Wexceptions warns about caught exception in noexcept function
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>5.0
</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>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>-New Bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>redbeard0531@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre><span class="quote">> clang++ -Wexceptions -c test.cpp -std=c++14</span >
test.cpp:3:9: warning: 'boom' has a non-throwing exception specification but
can still throw [-Wexceptions]
throw;
^
test.cpp:1:6: note: function declared non-throwing here
void boom() noexcept {
^ ~~~~~~~~
1 warning generated.
<span class="quote">> cat test.cpp</span >
void boom() noexcept {
try {
throw;
} catch (...) {
}
}
This is a reduced repro from the following real-world code:
<a href="https://github.com/mongodb/mongo/blob/r3.5.13/src/mongo/util/assert_util.cpp#L247-L267">https://github.com/mongodb/mongo/blob/r3.5.13/src/mongo/util/assert_util.cpp#L247-L267</a></pre>
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