1 // { dg-do compile { target c++11 } } 2 3 class Foo 4 { 5 public: Foo()6 Foo() { } 7 int operator"" _Bar(char32_t); // { dg-error "7:.int Foo::operator\"\"_Bar\\(char32_t\\). must be a non-member function" } 8 }; 9 10 int i = operator"" _Bar(U'x'); // { dg-error "9:'operator\"\"_Bar' was not declared in this scope" } 11 int j = U'x'_Bar; // { dg-error "unable to find character literal operator" } 12 13 int 14 Foo::operator"" _Bar(char32_t) // { dg-error "must be a non-member function" } 15 { return 42; } 16