1  /* { dg-do compile } */
       2  /* { dg-options -std=gnu89 } */
       3  
       4  /* GCC 2.95.2 used to get the following variable argument macro
       5     expansions wrong.
       6  
       7     Source: Neil Booth, from PR 3852 with persmission.  31 Jul 2001.  */
       8  
       9  #define TEST_WORSE(args...) (5, ## args)
      10  #define TEST_BAD(foo, args...) (2, (foo), ## args)
      11  
      12  extern void abort ();
      13  
      14  static int add (int a, int b)
      15  {
      16    return a + b;
      17  }
      18  
      19  int main ()
      20  {
      21    /* Would expand to a single closing parenthesis, maybe because of
      22       the "no args requires space" brokenness.  */
      23    if (TEST_WORSE () != 5)
      24      abort ();
      25    /* The macro would expand to (0, (0) with a missing closing parenthesis.  */
      26    if (add TEST_BAD (5) != 7)
      27      abort ();
      28    return 0;
      29  }