gcc/testsuite/g++.dg/cpp2a/nontype-class4.C

   1 // { dg-do compile { target c++2a } }
   2
   3 template <class T>
   4 struct A {
   5   constexpr A(T) {}
   6   // auto operator<=> (const A&) = default;
   7 };
   8 template <A a> void f();
   9
  10 int main()
  11 {
  12   constexpr A a = 1;
  13   f<a>();
  14   f<1>();
  15 }
  16
  17 // { dg-final { scan-assembler "_Z1fIXtl1AIiEEEEvv" } }
  18 // { dg-final { scan-assembler-not "_Z1fIXtlK1AIiEEEEvv" } }