1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-ccp1-details" } */
       3  
       4  #include <stdint.h>
       5  
       6  void f1();
       7  void f2();
       8  
       9  void
      10  foo (int *a)
      11  {
      12    int cst = 0;
      13    if ((intptr_t) a == cst)
      14      {
      15        f1 ();
      16        if (a) 
      17  	f2 (); 
      18      }
      19  }
      20  
      21  /* { dg-final { scan-tree-dump "gimple_simplified to if \\(a_\[0-9\]*\\(D\\) == 0B\\)" "ccp1" } } */