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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - false positive for "-Wzero-length-array""
href="https://llvm.org/bugs/show_bug.cgi?id=30723">30723</a>
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<th>Summary</th>
<td>false positive for "-Wzero-length-array"
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<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>
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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>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>Casey@Carter.net
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>This program:
template <int N = 42>
auto f() -> decltype(new int[N]{});
using F = decltype(f());
compiled with -Wzero-length-array (which happens to be under -pedantic) results
in:
prog.cc:2:32: warning: zero size arrays are an extension [-Wzero-length-array]
auto f() -> decltype(new int[N]{});
^</pre>
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