// { dg-options -std=c++0x } class Foo { public: Foo() { } int operator"" _Bar(char32_t); // { dg-error "must be a non-member function" } }; int i = operator"" _Bar(U'x'); // { dg-error "was not declared in this scope" } int j = U'x'_Bar; // { dg-error "unable to find character literal operator" } int Foo::operator"" _Bar(char32_t) // { dg-error "must be a non-member function" } { return 42; }