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

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@248304 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2015-09-22 17:50:11 +00:00
parent 0b4ab6f08a
commit 6b0e4195eb

@ -388,8 +388,9 @@ struct _LIBCPP_TYPE_VIS_ONLY pair
swap(pair& __p) _NOEXCEPT_(__is_nothrow_swappable<first_type>::value &&
__is_nothrow_swappable<second_type>::value)
{
_VSTD::iter_swap(&first, &__p.first);
_VSTD::iter_swap(&second, &__p.second);
using _VSTD::swap;
swap(first, __p.first);
swap(second, __p.second);
}
private: