| // { dg-options "-std=gnu++20" } |
| // { dg-do compile { target c++20 } } |
| |
| #include <bit> |
| |
| template<typename T> constexpr bool is_int = false; |
| template<> constexpr bool is_int<int> = true; |
| |
| // LWG 3656. Inconsistent bit operations returning a count |
| // Rturn type of std::bit_width(T) changed from T to int. |
| static_assert( is_int<decltype(std::bit_width(1u))> ); |
| static_assert( is_int<decltype(std::bit_width(1ul))> ); |
| static_assert( is_int<decltype(std::bit_width(1ull))> ); |
| static_assert( is_int<decltype(std::bit_width((unsigned short)1))> ); |
| static_assert( is_int<decltype(std::bit_width((unsigned char)1))> ); |
