gcc/testsuite/gcc.dg/readonly-loc.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O" } */
   3 int func()
   4 {
   5   const int *arr;
   6   const int arr2[5];
   7   arr[0] = 1; /* { dg-error "assignment of read-only location" "*(arr)" } */
   8   arr[1] = 1; /* { dg-error "assignment of read-only location" "*(arr + 4u)" } */
   9   arr2[0] = 1; /* { dg-error "assignment of read-only location" "arr2\[0\]" } */
  10   arr2[1] = 1; /* { dg-error "assignment of read-only location" "arr2\[1\]" } */
  11 }