| // PR c++/91364 - Implement P0388R4: Permit conversions to arrays of unknown bound. |
| // { dg-do compile { target c++20 } } |
| |
| struct A { |
| A(); |
| A(const A(&)[2]); |
| }; |
| |
| using T = A[]; |
| using U = A[2]; |
| |
| // t binds directly to U{} now. Before it bound indirectly to a temporary |
| // A{U{}}. ??? But we don't do it now; see reference_binding and the |
| // BRACE_ENCLOSED_INITIALIZER_P block. |
| A (&&t)[] = {U{}}; |
| |
| U u{}; |
| |
| T & |
| foo () |
| { |
| // This didn't compile before P0388R4: invalid initialization of non-const |
| // reference of type 'A (&)[]' from an rvalue of type |
| // '<brace-enclosed initializer list>'. |
| return {u}; |
| } |
