| // Core Issue #1331 (const mismatch with defaulted copy constructor) | |
| // { dg-do compile { target c++11 } } | |
| struct M | |
| { | |
| M(); | |
| M(M&); | |
| }; | |
| template<typename T> struct W | |
| { | |
| W(); | |
| W(W&) = default; | |
| // T1 and T2 may have differing ref-qualifiers (copy assign op). | |
| constexpr W& operator=(const W&) && = default; // { dg-error "defaulted" "" { target c++11_down } } | |
| T t; | |
| }; | |
| W<M> w; |