1 // Copyright John Maddock 2019. 2 // Use, modification and distribution are subject to the 3 // Boost Software License, Version 1.0. (See accompanying file 4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 #ifndef __GNUC__ 7 #error "Compiler is not GCC" 8 #endif 9 #if __GNUC__ < 9 10 #error "Older GCC versions don't support -fconstexpr-ops-limit" 11 #endif 12 main()13int main() 14 { 15 return 0; 16 } 17