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

   1 int expect_do1 = 1, expect_do2 = 2;
   2
   3 static int doit(int x){
   4   __label__ lbl1;
   5   __label__ lbl2;
   6   static int jtab_init = 0;
   7   static void *jtab[2];
   8
   9   if(!jtab_init) {
  10     jtab[0] = &&lbl1;
  11     jtab[1] = &&lbl2;
  12     jtab_init = 1;
  13   }
  14   goto *jtab[x];
  15 lbl1:
  16   return 1;
  17 lbl2:
  18   return 2;
  19 }
  20
  21 static void do1(void) {
  22   if (doit(0) != expect_do1)
  23     abort ();
  24 }
  25
  26 static void do2(void){
  27   if (doit(1) != expect_do2)
  28     abort ();
  29 }
  30
  31 int main(void){
  32 #ifndef NO_LABEL_VALUES
  33   do1();
  34   do2();
  35 #endif
  36   exit(0);
  37 }