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


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// { dg-do compile { target c++2a } }

template <class T>
struct A {
  constexpr A(T) {}
  // auto operator<=> (const A&) = default;
};
template <A a> void f();

int main()
{
  constexpr A a = 1;
  f<a>();
  f<1>();
}

// { dg-final { scan-assembler "_Z1fIXtl1AIiEEEEvv" } }
// { dg-final { scan-assembler-not "_Z1fIXtlK1AIiEEEEvv" } }