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// RUN: %clang_cc1 %s -E -Wdisabled-macro-expansion -verify
#define p p
#define a b
#define b a
#define f(a) a
#define g(b) a
#define h(x) i(x)
#define i(y) i(y)
#define c(x) x(0)
#define y(x) y
#define z(x) (z)(x)
p // no warning
a // expected-warning {{recursive macro}}
f(2)
g(3) // expected-warning {{recursive macro}}
h(0) // expected-warning {{recursive macro}}
c(c) // expected-warning {{recursive macro}}
y(5) // expected-warning {{recursive macro}}
z(z) // ok
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