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
1 file changed