gcc/testsuite/gcc.c-torture/execute/930929-1.c

   1 /* { dg-additional-options "-std=gnu89" } */
   2
   3 sub1 (i)
   4      int i;
   5 {
   6   return i - (5 - i);
   7 }
   8
   9 sub2 (i)
  10      int i;
  11 {
  12   return i + (5 + i);
  13 }
  14
  15 sub3 (i)
  16      int i;
  17 {
  18   return i - (5 + i);
  19 }
  20
  21 sub4 (i)
  22      int i;
  23 {
  24   return i + (5 - i);
  25 }
  26
  27 main()
  28 {
  29   if (sub1 (20) != 35)
  30     abort ();
  31   if (sub2 (20) != 45)
  32     abort ();
  33   if (sub3 (20) != -5)
  34     abort ();
  35   if (sub4 (20) != 5)
  36     abort ();
  37   exit (0);
  38 }