1// PR c++/19555 2 3namespace __gnu_debug_def { } 4namespace std 5{ 6 using namespace __gnu_debug_def; 7 template<typename _Tp> class allocator {}; // { dg-message "std::allocator" } 8} 9namespace __gnu_debug_def 10{ 11 template<typename _Tp, 12 typename _Allocator = std::allocator<_Tp> > 13 class vector 14 { 15 void 16 swap(vector<_Tp,_Allocator>& __x); 17 }; 18} 19namespace std 20{ 21 template<> void 22 vector<int, allocator<int> >::swap(vector<int, allocator<int> >&) { } // { dg-error "" } 23 // { dg-message "suggested alternative" "suggested alternative" { target *-*-* } 22 } 24} 25