gcc/testsuite/gcc.c-torture/compile/20020320-1.c

   1 /* PR bootstrap/4192
   2    This testcase caused infinite loop in flow (several places),
   3    because flow assumes gen_jump generates simple_jump_p.  */
   4
   5 typedef void (*T) (void);
   6 extern T x[];
   7
   8 void
   9 foo (void)
  10 {
  11   static T *p = x;
  12   static _Bool a;
  13   T f;
  14
  15   if (__builtin_expect (a, 0))
  16     return;
  17
  18   while ((f = *p))
  19     {
  20       p++;
  21       f ();
  22     }
  23   a = 1;
  24 }