gcc/testsuite/gcc.dg/Warray-bounds-14.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Warray-bounds" } */
   3
   4 int a[10];
   5 int foo1 (int i)
   6 {
   7   if (i < 0 || i > 9)
   8     return a[i];  /* { dg-warning "outside array bounds" } */
   9   return 0;
  10 }
  11 int foo2 (int i)
  12 {
  13   if (i < 0 || i > 8)
  14     return a[i];  /* { dg-bogus "outside array bounds" } */
  15   return 0;
  16 }
  17 int *foo3 (int i)
  18 {
  19   if (i < 0 || i > 10)
  20     return &a[i];  /* { dg-warning "outside array bounds" } */
  21   return (void *)0;
  22 }
  23 int *foo4 (int i)
  24 {
  25   if (i < 0 || i > 9)
  26     return &a[i];  /* { dg-bogus "outside array bounds" } */
  27   return (void *)0;
  28 }