Change pair::swap(pair&) to call ADL swap instead of iter_swap; this fixes an obscure bug having to do with overloaded operator&. Fixes PR#24890
llvm-svn: 248304
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@ -388,8 +388,9 @@ struct _LIBCPP_TYPE_VIS_ONLY pair
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swap(pair& __p) _NOEXCEPT_(__is_nothrow_swappable<first_type>::value &&
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__is_nothrow_swappable<second_type>::value)
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{
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_VSTD::iter_swap(&first, &__p.first);
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_VSTD::iter_swap(&second, &__p.second);
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using _VSTD::swap;
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swap(first, __p.first);
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swap(second, __p.second);
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}
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private:
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