clang/test/Sema/attr-maybeundef.c

   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}}