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
7enum { a = 4, f = 3 };
8
9#define a1(y) (y+2)
10#define a2(y) a1(y)+1
11#define f a+f
12
13char array[(a2(f)) == 10 ? 1 : -1];
14