| // { dg-do preprocess { target c++26 } } | |
| // { dg-add-options no_pch } | |
| #include <type_traits> | |
| #ifndef __cpp_lib_constant_wrapper | |
| #error "Feature test macro __cpp_lib_constant_wrapper is missing for <type_traits>" | |
| #if __cpp_lib_constant_wrapper < 202506L | |
| #error "Feature test macro __cpp_lib_constant_wrapper has the wrong value" | |
| #endif | |
| #endif |