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