| // Core Issue #1331 (const mismatch with defaulted copy constructor) | |
| // { dg-do compile { target c++11 } } | |
| struct M | |
| { | |
| M(); | |
| // So that W wouldn't have had "const W&" copy ctor if it were | |
| // implicitly declared. | |
| M(M&); | |
| }; | |
| template<typename T> struct W | |
| { | |
| W(); | |
| // This should now compile and be =deleted. | |
| W(const W&) = default; | |
| T t; | |
| }; | |
| W<M> w; |