// { dg-do compile { target c++17 } } | |
#include <version> | |
#ifndef __cpp_lib_variant | |
#error "Feature test macro for variant is missing in <version>" | |
#elif __cplusplus == 201703L && __cpp_lib_variant != 202102L | |
# error "Feature test macro for variant has wrong value for C++17 in <version>" | |
#elif __cplusplus >= 202002L && __cpp_lib_variant < 202106L | |
# error "Feature test macro for variant has wrong value for C++20 in <version>" | |
#endif |