1 // PR c++/52363 2 // { dg-do compile { target c++11 } } 3 4 #include <type_traits> 5 6 struct proxy 7 { 8 void operator=(int const&); 9 void operator=(int&&) const; 10 }; 11 12 static_assert( !std::is_assignable<proxy, int>::value, "" ); 13 static_assert( std::is_assignable<const proxy, int>::value, "" ); 14