// PR c++/91360 - Implement C++20 P1143R2: constinit // { dg-do compile { target c++20 } } struct S { S(int) { } }; template struct U { T m; constexpr U(int i) : m(i) { } // { dg-error "call to non-.constexpr. function" "" { target { ! implicit_constexpr } } } }; constinit U u(42); // { dg-error "does not have a constant initializer|called in a constant expression" "" { target { ! implicit_constexpr } } }