1// RUN: %clang_cc1 -E %s | grep '^A: Y$'
2// RUN: %clang_cc1 -E %s | grep '^B: f()$'
3// RUN: %clang_cc1 -E %s | grep '^C: for()$'
4
5#define X() Y
6#define Y() X
7
8A: X()()()
9
10// PR3927
11#define f(x) h(x
12#define for(x) h(x
13#define h(x) x()
14B: f(f))
15C: for(for))
16
17// rdar://6880648
18#define f(x,y...) y
19f()
20