1 /* Test that nested commas and parentheses in macro arguments are
2    OK.  */
3 
4 /* { dg-do preprocess } */
5 
6 #define f(x) x
7 #define g(x, y) x y
8 
9 #if f((1)) != 1
10 # error		/* { dg-bogus "error" "nested parens 1" } */
11 #endif
12 
13 #if f((1, 2)) != 2
14 # error		/* { dg-bogus "error" "nested comma 1" } */
15 #endif
16 
17 #if g(, (1)) != 1
18 # error		/* { dg-bogus "error" "nested parens 2" } */
19 #endif
20 
21 #if g((1, 2), + 3) != 5
22 # error		/* { dg-bogus "error" "nested comma 2" } */
23 #endif
24