| // { dg-do preprocess { target c++17 } } | |
| // { dg-add-options no_pch } | |
| #include <string> | |
| #if __cpp_lib_allocator_traits_is_always_equal != 201411L | |
| # error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>" | |
| #endif |