1 // Testcase from P0170R1 2 // { dg-do compile { target c++17 } } 3 4 auto ID = [](auto a) { return a; }; 5 static_assert( ID (3) == 3); // OK 6 struct NonLiteral { NonLiteralNonLiteral7 NonLiteral(int n) : n(n) { } 8 int n; 9 }; 10 11 static_assert( ID (NonLiteral{3}).n == 3); // { dg-error "non-literal" } 12 // { dg-prune-output "static assertion" } 13