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<body><span class="vcard"><a class="email" href="mailto:richard-llvm@metafoo.co.uk" title="Richard Smith <richard-llvm@metafoo.co.uk>"> <span class="fn">Richard Smith</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Wrong make_shared picked when boost::make_shared is imported"
href="http://llvm.org/bugs/show_bug.cgi?id=18969">bug 18969</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
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<td style="text-align:right;">CC</td>
<td>
</td>
<td>richard-llvm@metafoo.co.uk
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>INVALID
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Wrong make_shared picked when boost::make_shared is imported"
href="http://llvm.org/bugs/show_bug.cgi?id=18969#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Wrong make_shared picked when boost::make_shared is imported"
href="http://llvm.org/bugs/show_bug.cgi?id=18969">bug 18969</a>
from <span class="vcard"><a class="email" href="mailto:richard-llvm@metafoo.co.uk" title="Richard Smith <richard-llvm@metafoo.co.uk>"> <span class="fn">Richard Smith</span></a>
</span></b>
<pre>std::make_shared is found by argument-dependent name lookup here, and when
libc++ and boost are in C++98 mode, the libc++ overload happens to be more
specialized. (Ironically, using -std=c++11 reverses this and will cause us to
pick the boost version.)
One way to deal with this is to move your using-declaration for make_shared
into 'main':
int main() {
using boost::make_shared;
std::string a;
shared_ptr<Z> z = make_shared<Z>(a); // ok, use boost::make_shared,
suppresses ADL
}
Another is to use 'boost::make_shared<Z>(a)' instead of 'make_shared<Z>(a)'.</pre>
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