// PR c++/41426 template <typename _T> struct A { template <int _N> A(_T (&V)[_N]); A(); }; A<float> g1() { float f[] = {1.1f, 2.3f}; return f; // { dg-error "cannot bind non-const" "" { target c++23 } } } const A<float> &g3() { float f[] = {1.1f, 2.3f}; return f; // { dg-warning "returning reference to temporary" "" { target c++20_down } } // { dg-error "non-const lvalue|invalid user-defined conversion" "" { target c++23 } .-1 } } A<float> &g4() { float f[] = {1.1f, 2.3f}; return f; // { dg-error "cannot bind non-const lvalue ref|invalid user-defined conversion" } } struct B { B (int (&v)[10]); B(); }; B g2() { int c[10]; return c; // { dg-error "non-const lvalue" "" { target c++23 } } }