gcc/testsuite/gcc.dg/pr40172-1.c

   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 }