gcc/testsuite/gcc.c-torture/execute/20020418-1.c

   1 /* ifcvt accidentally deletes a referenced label while generating
   2    conditional traps on machines having such patterns */
   3
   4 struct foo { int a; };
   5
   6 void gcc_crash(struct foo *p)
   7 {
   8         if (__builtin_expect(p->a < 52, 0))
   9                 __builtin_trap();
  10  top:
  11         p->a++;
  12         if (p->a >= 62)
  13                 goto top;
  14 }
  15
  16 int main(void)
  17 {
  18         struct foo x;
  19
  20         x.a = 53;
  21         gcc_crash(&x);
  22
  23         exit (0);
  24 }