gcc/testsuite/gcc.c-torture/execute/20060929-1.c

   1 /* PR c/29154 */
   2
   3 extern void abort (void);
   4
   5 void
   6 foo (int **p, int *q)
   7 {
   8   *(*p++)++ = *q++;
   9 }
  10
  11 void
  12 bar (int **p, int *q)
  13 {
  14   **p = *q++;
  15   *(*p++)++;
  16 }
  17
  18 void
  19 baz (int **p, int *q)
  20 {
  21   **p = *q++;
  22   (*p++)++;
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   int i = 42, j = 0;
  29   int *p = &i;
  30   foo (&p, &j);
  31   if (p - 1 != &i || j != 0 || i != 0)
  32     abort ();
  33   i = 43;
  34   p = &i;
  35   bar (&p, &j);
  36   if (p - 1 != &i || j != 0 || i != 0)
  37     abort ();
  38   i = 44;
  39   p = &i;
  40   baz (&p, &j);
  41   if (p - 1 != &i || j != 0 || i != 0)
  42     abort ();
  43   return 0;
  44 }