gcc/testsuite/g++.dg/cpp2a/consteval17.C - gcc - Git at Google

 // { dg-do compile { target c++20 } }

 struct A
 {
   consteval int operator+() { return 42; }
 };

 int main()
 {
   +A();
 }
	// { dg-do compile { target c++20 } }

	struct A
	{
	consteval int operator+() { return 42; }
	};

	int main()
	{
	+A();
	}