| // { dg-options "-Wdeprecated" } |
| // { dg-add-options using-deprecated } |
| // { dg-do compile { target { c++11 && { ! c++20 } } } } |
| |
| #include <utility> |
| |
| using std::pair; |
| |
| struct MoveOnly |
| { |
| MoveOnly() = default; |
| MoveOnly(MoveOnly&&) {} |
| }; |
| |
| struct ExplicitMoveOnly |
| { |
| ExplicitMoveOnly() = default; |
| ExplicitMoveOnly(ExplicitMoveOnly&&) {} |
| explicit ExplicitMoveOnly(MoveOnly&&) {} |
| }; |
| |
| // PR libstdc++/99957 |
| // check non-standard constructors are deprecated |
| |
| pair<int*, ExplicitMoveOnly> v14(0, MoveOnly{}); // { dg-warning "deprecated" } |
| pair<ExplicitMoveOnly, int*> v15(MoveOnly{}, 0); // { dg-warning "deprecated" } |
| |
| pair<int*, MoveOnly> v16 = {0, MoveOnly{}}; // { dg-warning "deprecated" } |
| pair<MoveOnly, int*> v17 = {MoveOnly{}, 0}; // { dg-warning "deprecated" } |
| |
| // PR libstdc++/101124 |
| // check deprecated constructors don't cause unwanted ambiguities |
| |
| std::pair<long*, int> p(0, 0); // { dg-bogus "ambiguous" } |
| |
| struct X { } x; |
| std::pair<const X, void*> p2(x, 0); // { dg-bogus "ambiguous" } |
