gcc/testsuite/gcc.dg/Wpointer-arith.c

   1 /* PR 35058: -Werror= works only with some warnings. */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Werror=pointer-arith" } */
   4 void *a;
   5
   6 void *test(){
   7   int x=5;
   8   if(a) a++; /* { dg-error "wrong type argument to increment" } */
   9   return a+x; /* { dg-error "pointer of type" } */
  10 }
  11 /* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */