1 /* Test for proper disabling of macros within their own expansions.  */
2 /* { dg-do compile } */
3 
4 /* The following is a trick to evaluate a complex boolean expression
5    at compile time, inspired by autoconf 2.13's sizeof-detection.  */
6 
7 enum { a = 4, f = 3 };
8 
9 #define a1(y) (y+2)
10 #define a2(y) a1(y)+1
11 #define f a+f
12 
13 char array[(a2(f)) == 10 ? 1 : -1];
14