1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // Decl annotations. 4 void f(int __attribute__((maybe_undef)) *a); 5 void (*fp)(int __attribute__((maybe_undef)) handle); 6 __attribute__((maybe_undef)) int i(); // expected-warning {{'maybe_undef' attribute only applies to parameters}} 7 int __attribute__((maybe_undef)) a; // expected-warning {{'maybe_undef' attribute only applies to parameters}} 8 int (* __attribute__((maybe_undef)) fpt)(char *); // expected-warning {{'maybe_undef' attribute only applies to parameters}} 9 void h(int *a __attribute__((maybe_undef("RandomString")))); // expected-error {{'maybe_undef' attribute takes no arguments}} 10 11 // Type annotations. 12 int __attribute__((maybe_undef)) ta; // expected-warning {{'maybe_undef' attribute only applies to parameters}} 13 14 // Typedefs. 15 typedef int callback(char *) __attribute__((maybe_undef)); // expected-warning {{'maybe_undef' attribute only applies to parameters}} 16