gcc/testsuite/gcc.c-torture/execute/920721-4.c

   1 /* { dg-require-effective-target label_values } */
   2
   3 int try (int num) {
   4   __label__ lab1, lab2, lab3, lab4, lab5, lab6, default_lab;
   5
   6   void *do_switch (int num) {
   7     switch(num) {
   8     case 1:
   9       return &&lab1;
  10     case 2:
  11       return &&lab2;
  12     case 3:
  13       return &&lab3;
  14     case 4:
  15       return &&lab4;
  16     case 5:
  17       return &&lab5;
  18     case 6:
  19       return &&lab6;
  20     default:
  21       return &&default_lab;
  22     }
  23   }
  24
  25   goto *do_switch (num);
  26
  27  lab1:
  28   return 1;
  29
  30  lab2:
  31   return 2;
  32
  33  lab3:
  34   return 3;
  35
  36  lab4:
  37   return 4;
  38
  39  lab5:
  40   return 5;
  41
  42  lab6:
  43   return 6;
  44
  45  default_lab:
  46   return -1;
  47 }
  48
  49 main()
  50 {
  51   int i;
  52   for (i = 1; i <= 6; i++)
  53     {
  54       if (try (i) != i)
  55         abort();
  56     }
  57   exit(0);
  58 }