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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - volatile members cause PODs to be a non-literal type"
href="https://llvm.org/bugs/show_bug.cgi?id=26043">26043</a>
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<th>Summary</th>
<td>volatile members cause PODs to be a non-literal type
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>Macintosh
</td>
</tr>
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<th>OS</th>
<td>MacOS X
</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>C++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>joseph.noir@live.com
</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>Here is a minimal example compiled with Apple LLVM version 7.0.2
(clang-700.1.81) on OS X 10.11.
extern "C" {
typedef struct foo {
volatile int a;
} foo;
typedef struct bar {
foo f;
} bar;
} // extern "C"
class baz {
public:
constexpr baz() : bar_({0}) {}
bar bar_;
};
int main() {
// nop
}
>From my understanding of the standard this should be work I get the following
error:
main.cpp:14:13: error: constexpr constructor never produces a constant
expression [-Winvalid-constexpr]
constexpr baz() : bar_({0}) {}
^
main.cpp:14:21: note: non-literal type 'bar' cannot be used in a constant
expression
constexpr baz() : bar_({0}) {}
^
1 error generated.</pre>
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