| // PR c++/88692 |
| // { 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 X { |
| X f() && { |
| return std::move(*this); // { dg-bogus "redundant move in return statement" } |
| } |
| |
| X f2() & { |
| return std::move(*this); // { dg-bogus "redundant move in return statement" } |
| } |
| |
| X f3() { |
| return std::move(*this); // { dg-bogus "redundant move in return statement" } |
| } |
| }; |
| |
| struct S { int i; int j; }; |
| |
| struct Y { |
| S f1 (S s) { |
| return std::move (s); // { dg-warning "redundant move in return statement" } |
| } |
| |
| S f2 (S* s) { |
| return std::move (*s); // { dg-bogus "redundant move in return statement" } |
| } |
| |
| S f3 (S** s) { |
| return std::move (**s); // { dg-bogus "redundant move in return statement" } |
| } |
| }; |