| // PR c++/87882 |
| // { dg-do compile { target c++11 } } |
| // { dg-options "-Wredundant-move" } |
| |
| // Define std::move. |
| namespace std { |
| template<typename _Tp> |
| struct remove_reference |
| { typedef _Tp type; }; |
| |
| template<typename _Tp> |
| struct remove_reference<_Tp&> |
| { typedef _Tp type; }; |
| |
| template<typename _Tp> |
| struct remove_reference<_Tp&&> |
| { typedef _Tp type; }; |
| |
| template<typename _Tp> |
| constexpr typename std::remove_reference<_Tp>::type&& |
| move(_Tp&& __t) noexcept |
| { return static_cast<typename std::remove_reference<_Tp>::type&&>(__t); } |
| } |
| |
| struct Foo { |
| Foo Bar() { |
| return std::move(*this); // { dg-bogus "redundant move in return statement" } |
| } |
| Foo Baz() { |
| return *this; |
| } |
| int i; |
| }; |
| |
| void Move(Foo & f) |
| { |
| f = Foo{}.Bar(); |
| } |
| |
| void NoMove(Foo & f) |
| { |
| f = Foo{}.Baz(); |
| } |