revert wrong diff from r3836381 __FORCE_COMMIT__
#endif
#ifndef Y_UNUSED
-# if defined __GNUC__ && !defined __clang__
-# define Y_UNUSED(var) do{const auto& tmp = var; (void)(tmp);}while(false)
-# else
#define Y_UNUSED(var) (void)(var)
#endif
-#endif
/**
* @def Y_ASSUME
