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
add(int a,int b)14 static int add (int a, int b)
15 {
16 return a + b;
17 }
18
main()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 }
30