gcc/testsuite/gcc.c-torture/execute/980526-1.c

   1 /* { dg-require-effective-target label_values } */
   2
   3 int expect_do1 = 1, expect_do2 = 2;
   4
   5 static int doit(int x){
   6   __label__ lbl1;
   7   __label__ lbl2;
   8   static int jtab_init = 0;
   9   static void *jtab[2];
  10
  11   if(!jtab_init) {
  12     jtab[0] = &&lbl1;
  13     jtab[1] = &&lbl2;
  14     jtab_init = 1;
  15   }
  16   goto *jtab[x];
  17 lbl1:
  18   return 1;
  19 lbl2:
  20   return 2;
  21 }
  22
  23 static void do1(void) {
  24   if (doit(0) != expect_do1)
  25     abort ();
  26 }
  27
  28 static void do2(void){
  29   if (doit(1) != expect_do2)
  30     abort ();
  31 }
  32
  33 int main(void){
  34   exit(0);
  35 }