| // { dg-do compile { target c++11 } } |
| |
| #include <ostream> |
| |
| struct CustomStream : std::ostream {}; |
| |
| namespace N { |
| class A{}; |
| } |
| |
| std::ostream& operator<<(std::ostream& s, const N::A&) |
| { |
| return s; |
| } |
| |
| CustomStream&& operator<<(CustomStream&& s, const N::A& v) |
| { |
| static_cast<std::ostream&>(s) << v; |
| return std::move(s); |
| } |
| |
| void test_pr99692() |
| { |
| // PR libstdc++/99692 |
| CustomStream() << N::A{}; |
| } |
| |
| int test_shift_ios_enum() |
| { |
| // https://gcc.gnu.org/pipermail/libstdc++/2021-May/052507.html |
| int i = 1 << std::ios::erase_event; |
| |
| return i; |
| } |
