1 // PR c++/88095 2 // Test class non-type template parameters for literal operator templates. 3 // Validate that parameter packs are rejected. 4 // { dg-do compile { target c++2a } } 5 6 struct literal_class { literal_classliteral_class7 constexpr literal_class(...) { } 8 // auto operator<=> (const fixed_string&) = default; 9 }; 10 11 template <literal_class...> 12 int operator"" _udl(); // { dg-error "literal operator template .int operator\"\"_udl\\(\\). has invalid parameter list" } 13