1 // Core Issue #1331 (const mismatch with defaulted copy constructor)
2 // { dg-do compile { target c++11 } }
3 
4 struct M
5 {
6   M();
7   M(M&);
8 };
9 
10 template<typename T> struct W
11 {
12   W();
13   W(const W&) = default; // { dg-error "binding" }
14   T t;
15 };
16 
17 W<M> w;
18 W<M> w2 = w; // { dg-error "use of deleted function" }
19