| // { dg-options "-std=gnu++23" } |
| // { dg-do preprocess { target c++23 } } |
| |
| #include <version> |
| |
| #ifndef __cpp_lib_to_chars |
| # error "Feature-test macro for to_chars missing in <version>" |
| #elif __cpp_lib_to_chars != 201611L |
| # error "Feature-test macro for to_chars has wrong value in <version>" |
| #endif |
| |
| #ifndef __cpp_lib_constexpr_charconv |
| # error "Feature-test macro for constexpr charconv missing in <version>" |
| #elif __cpp_lib_constexpr_charconv != 202207L |
| # error "Feature-test macro for constexpr charconv has wrong value in <version>" |
| #endif |
