gcc/testsuite/c-c++-common/vector-subscript-3.c

   1 /* Check the case when index is out of bound */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Warray-bounds" } */
   4
   5 #define vector __attribute__((vector_size(16) ))
   6
   7
   8 int test0(void)
   9 {
  10   vector int a;
  11   return a[10]; /* { dg-warning "index value is out of bound" } */
  12 }
  13
  14 int test1(void)
  15 {
  16   vector int a;
  17   return a[-1]; /* { dg-warning "index value is out of bound" } */
  18 }