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// Core Issue #1331 (const mismatch with defaulted copy constructor)
// { dg-do compile { target c++11 } }
// If T2 (what would be the implicit declaration) has a parameter of
// type const C&, the corresponding parameter of T1 may be of type C&.
struct S
{
S& operator=(S &) = default;
};
struct T
{
T& operator=(volatile T &) = default; // { dg-error "defaulted" }
};
struct U
{
U& operator=(const volatile U &) = default; // { dg-error "defaulted" }
};
struct V
{
V& operator=(const V &) = default;
};
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