gcc/testsuite/gcc.dg/torture/stackalign/non-local-goto-4.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target nonlocal_goto } */
   3 /* { dg-require-effective-target label_values } */
   4 /* { dg-require-effective-target trampolines } */
   5 /* { dg-add-options stack_size } */
   6
   7 extern void abort (void);
   8 extern void exit (int);
   9
  10 #ifdef STACK_SIZE
  11 #define DEPTH ((STACK_SIZE) / 512 + 1)
  12 #else
  13 #define DEPTH 1000
  14 #endif
  15
  16 int
  17 x(int a)
  18 {
  19   __label__ xlab;
  20   void y(int a)
  21     {
  22       if (a==0)
  23         goto xlab;
  24       y (a-1);
  25     }
  26   y (a);
  27  xlab:;
  28   return a;
  29 }
  30
  31 int
  32 main ()
  33 {
  34   if (x (DEPTH) != DEPTH)
  35     abort ();
  36
  37   exit (0);
  38 }