/* Test the legacy option -Werror-implicit-function-declaration */ /* { dg-do compile } */ /* { dg-options "-std=c89 -Werror-implicit-function-declaration" } */ /* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */ void f(void) { puts("Hello"); /* { dg-error "implicit declaration of function" } */ }