1  /* PR middle-end/40172 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wall -W -Werror -Wlogical-op" } */
       4  
       5  struct rtx_def;
       6  typedef struct rtx_def *rtx; 
       7  
       8  extern int foo;
       9  extern int bar;
      10  extern int xxx;
      11  
      12  int
      13  test (void)
      14  {
      15    if (((rtx) 0 != (rtx) 0) && xxx ? foo : bar)
      16      return 1;
      17    else if ((foo & 0) && xxx)
      18      return 2;
      19    else if (foo & 0)
      20      return 3;
      21    else if (0 && xxx)
      22      return 4;
      23    else if (0)
      24      return 5;
      25    if (((int) 0 != (int) 0) && bar ? foo : xxx)
      26      return 6;
      27    else if (0 != 0 && foo ? xxx : bar)
      28      return 7;
      29    else
      30      return 0;
      31  }