gcc/testsuite/gcc.dg/c23-parm-omit-3.c

   1 /* Test omitted parameter names in C23.  Execution test.  */
   2 /* { dg-do run } */
   3 /* { dg-options "-std=c23 -pedantic-errors" } */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 void
   9 f (int a, int [++a], int b)
  10 {
  11   /* Verify array size expression of unnamed parameter is processed as
  12      expected.  */
  13   if (a != 2 || b != 3)
  14     abort ();
  15 }
  16
  17 int
  18 main (void)
  19 {
  20   int t[2];
  21   f (1, t, 3);
  22   exit (0);
  23 }