gcc/testsuite/gcc.c-torture/compile/labels-3.c

   1 /* Verify that we can narrow the storage associated with label diffs.  */
   2 /* { dg-require-effective-target indirect_jumps } */
   3 /* { dg-require-effective-target label_values } */
   4
   5 int foo (int a)
   6 {
   7   static const short ar[] = { &&l1 - &&l1, &&l2 - &&l1 };
   8   void *p = &&l1 + ar[a];
   9   goto *p;
  10  l1:
  11   return 1;
  12  l2:
  13   return 2;
  14 }