/* { dg-do compile }  *//* { dg-options "-O2 -fdump-tree-optimized -w" }  */void *arf ();intfoo(){  void (*q)(void);  int r = q;  if (r != 0)    return 1;  else    return 2;}/* The cast to an int type must remain after all optimizations are complete   so that we do not try to canonicalize a function pointer for the   comparison when no such canonicalization is wanted.  *//* { dg-final { scan-tree-dump-times "if \\(\\(int\\).*q" 1 "optimized" } } *//* { dg-final { cleanup-tree-dump "optimized" } } */