1! RUN: %flang -E %s | FileCheck %s 2#define KWM a 3#define FLM(x) b FLM2(x) KWM c 4#define FLM2(x) d FLM(x) e 5! CHECK: a 6KWM 7! CHECK: b d FLM(y) e a c 8FLM(y) 9! CHECK: b d FLM(a) e a c 10FLM(KWM) 11! CHECK: b d FLM(b d FLM(y) e a c) e a c 12FLM(FLM(y)) 13! CHECK: b d FLM(b d FLM(a) e a c) e a c 14FLM(FLM(KWM)) 15