(root)/
gcc-13.2.0/
libstdc++-v3/
testsuite/
20_util/
expected/
version.cc
// { dg-options "-std=gnu++23" }
// { dg-do preprocess { target c++23 } }

#include <version>

#ifndef __cpp_lib_expected
# error "Feature-test macro for expected missing in <version>"
#elif __cpp_lib_expected != 202211L
# error "Feature-test macro for expected has wrong value in <version>"
#endif