gcc/testsuite/gcc.dg/c11-compare-incomplete-1.c

   1 /* Test comparisons of pointers to complete and incomplete types are
   2    accepted in C11 mode.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c11 -pedantic-errors" } */
   5
   6 int
   7 f (int (*p)[], int (*q)[3])
   8 {
   9   return p < q;
  10 }
  11
  12 int
  13 f2 (int (*p)[], int (*q)[3])
  14 {
  15   return p <= q;
  16 }
  17
  18 int
  19 f3 (int (*p)[], int (*q)[3])
  20 {
  21   return p > q;
  22 }
  23
  24 int
  25 f4 (int (*p)[], int (*q)[3])
  26 {
  27   return p >= q;
  28 }
  29
  30 int
  31 g (int (*p)[], int (*q)[3])
  32 {
  33   return q < p;
  34 }
  35
  36 int
  37 g2 (int (*p)[], int (*q)[3])
  38 {
  39   return q <= p;
  40 }
  41
  42 int
  43 g3 (int (*p)[], int (*q)[3])
  44 {
  45   return q > p;
  46 }
  47
  48 int
  49 g4 (int (*p)[], int (*q)[3])
  50 {
  51   return q >= p;
  52 }