1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-tree-fre -fdump-tree-evrp" } */
       3  
       4  
       5  extern void abort (void) __attribute__ ((__noreturn__));
       6  struct rtx_def;
       7  typedef struct rtx_def *rtx;
       8  struct rtx_def
       9  {
      10    int code;
      11  };
      12  int
      13  nonlocal_mentioned_p (rtx x)
      14  {
      15    int code = x->code;
      16    if (code == 6 || code == 7)
      17      if (code == 7)
      18        if (code != 7)
      19  	abort ();
      20  }
      21  
      22  /* { dg-final { scan-tree-dump-times "if" 0 "evrp" } } */
      23