1  /* We used to crash in ccp here, because the initial constant value of 2
       2     was changed to 5.  */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-options "-O2 -fdump-tree-optimized" } */
       6  
       7  static const int a = 2;
       8  
       9  int test (int param)
      10  {
      11    int *p = (int *) &a;
      12  
      13    if (param)
      14      *p = 5;
      15  
      16    return a;
      17  }
      18  
      19  /* Check that we return the correct (unchanged) value.  */
      20  
      21  /* { dg-final { scan-tree-dump-times "return 2" 1 "optimized" } } */
      22  /* { dg-final { scan-tree-dump-times "return 5" 0 "optimized" } } */
      23