view gcc/testsuite/gcc.c-torture/compile/20020320-1.c @ 145:1830386684a0

gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* PR bootstrap/4192
   This testcase caused infinite loop in flow (several places),
   because flow assumes gen_jump generates simple_jump_p.  */

/* { dg-require-effective-target indirect_calls } */

typedef void (*T) (void);
extern T x[];

void
foo (void)
{
  static T *p = x;
  static _Bool a;
  T f;

  if (__builtin_expect (a, 0))
    return;

  while ((f = *p))
    {
      p++;
      f ();
    }
  a = 1;
}