1 // { dg-do compile } 2 // { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=traditional -Wno-deprecated -Wno-long-long" } 3 /* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */ 4 #assert x(x) // { dg-error "suggest hiding #assert from traditional C with an indented # .-Werror=traditional." } 5 6 #define X X // { dg-error "traditional C ignores #define with the # indented .-Werror=traditional." } 7 8 #if 0 9 #elif 1 // { dg-error "suggest not using #elif in traditional C .-Werror=traditional." } 10 #endif 11 12 #define f(X) X 13 int f; // { dg-error "function-like macro \"f\" must be used with arguments in traditional C .-Werror=traditional." } 14 15 #if 0U // { dg-error "traditional C rejects the \"U\" suffix .-Werror=traditional." } 16 #endif 17 18 #if +1 // { dg-error " traditional C rejects the unary plus operator .-Werror=traditional." } 19 #endif 20 21 char *x = "\x0"; // { dg-error "the meaning of '.x' is different in traditional C .-Werror=traditional." } 22 char *y = "\a"; // { dg-error "the meaning of '.a' is different in traditional C .-Werror=traditional." } 23 char *z = "\u0F43"; // { dg-error "the meaning of '.u' is different in traditional C .-Werror=traditional." } 24