Fix PR10509: http://llvm.org/bugs/show_bug.cgi?id=10509
llvm-svn: 136247
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@ -226,9 +226,12 @@ struct _LIBCPP_VISIBLE pair
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template<class _U1, class _U2>
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_LIBCPP_INLINE_VISIBILITY
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pair(const pair<_U1, _U2>& __p,
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typename enable_if<is_constructible<_T1, _U1>::value &&
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is_constructible<_T2, _U2>::value>::type* = 0)
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pair(const pair<_U1, _U2>& __p
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#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE
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,typename enable_if<is_constructible<_T1, _U1>::value &&
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is_constructible<_T2, _U2>::value>::type* = 0
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#endif
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)
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: first(__p.first), second(__p.second) {}
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_LIBCPP_INLINE_VISIBILITY
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