gcc/testsuite/gcc.dg/Werror-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wattributes" } */
   3 /* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */
   4 /* Make sure the pragma enables the error.  */
   5
   6 #pragma GCC diagnostic error "-Waddress"
   7
   8 void __attribute__((dj)) bar() { }      /* { dg-warning "attribute directive ignored" } */
   9
  10 int i;
  11
  12 void
  13 foo ()
  14 {
  15   if (&i)       /* { dg-error "will always evaluate as 'true'" } */
  16     grill ();
  17 }