// { dg-options "-std=c++98" } #include int operator"" _mm(long double m) // { dg-warning "user-defined literals only available with" } { return int(1000.0L * m); } int in = 0.0254_mm; // { dg-error "invalid suffix" } int operator"" _Q(const char *, std::size_t) // { dg-warning "user-defined literals only available with" } { return 42; } int x = "Hello"_Q; // { dg-error "invalid conversion from" "invalid" } // { dg-error "expected" "expected" { target *-*-* } 15 }