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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Cannot initialize const reference function argument with braced-init-list"
href="http://llvm.org/bugs/show_bug.cgi?id=16285">16285</a>
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<th>Summary</th>
<td>Cannot initialize const reference function argument with braced-init-list
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.2
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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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
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<th>Reporter</th>
<td>vanboxem.ruben@gmail.com
</td>
</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>This code fails when using Clang 3.2 and current ToT, and using GCC 4.6 and
4.8's libstdc++:
#include <unordered_set>
void lol(const std::unordered_set<double>& yodel = {}) {}
int main()
{
lol();
}
GCC accepts this since 4.7. Also see:
<a href="http://stackoverflow.com/questions/6615823/uniform-initializer-used-in-default-argument-to-const-reference">http://stackoverflow.com/questions/6615823/uniform-initializer-used-in-default-argument-to-const-reference</a>
<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3139.pdf">http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3139.pdf</a></pre>
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