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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - value-initialization of incomplete type"
href="https://bugs.llvm.org/show_bug.cgi?id=38265">38265</a>
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<th>Summary</th>
<td>value-initialization of incomplete type
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</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>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>zhonghao@pku.org.cn
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>The code is as follow:
struct x0
{
x0 () = default;
};
struct x1
{
x0 x2[];
void x3 ()
{
x1 ();
}
};
clang++ accepts it, but g++ rejects it:
code0.cpp:7:8: error: flexible array member 'x1::x2' in an otherwise empty
'struct x1'
x0 x2[];
^
code0.cpp: In member function 'void x1::x3()':
code0.cpp:10:6: error: value-initialization of incomplete type 'x0 []'
x1 ();</pre>
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