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