gcc/testsuite/gcc.c-torture/execute/pr51447.c

   1 /* PR rtl-optimization/51447 */
   2 /* { dg-require-effective-target label_values } */
   3 /* { dg-require-effective-target indirect_jumps } */
   4
   5 extern void abort (void);
   6
   7 #ifdef __x86_64__
   8 register void *ptr asm ("rbx");
   9 #else
  10 void *ptr;
  11 #endif
  12
  13 int
  14 main (void)
  15 {
  16   __label__ nonlocal_lab;
  17   __attribute__((noinline, noclone)) void
  18     bar (void *func)
  19       {
  20         ptr = func;
  21         goto nonlocal_lab;
  22       }
  23   bar (&&nonlocal_lab);
  24   return 1;
  25 nonlocal_lab:
  26   if (ptr != &&nonlocal_lab)
  27     abort ();
  28   return 0;
  29 }