1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -E -Wdisabled-macro-expansion -verify 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc #define p p 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc #define a b 6*f4a2713aSLionel Sambuc #define b a 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambuc #define f(a) a 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc #define g(b) a 11*f4a2713aSLionel Sambuc 12*f4a2713aSLionel Sambuc #define h(x) i(x) 13*f4a2713aSLionel Sambuc #define i(y) i(y) 14*f4a2713aSLionel Sambuc 15*f4a2713aSLionel Sambuc #define c(x) x(0) 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc #define y(x) y 18*f4a2713aSLionel Sambuc #define z(x) (z)(x) 19*f4a2713aSLionel Sambuc 20*f4a2713aSLionel Sambuc p // no warning 21*f4a2713aSLionel Sambuc 22*f4a2713aSLionel Sambuc a // expected-warning {{recursive macro}} 23*f4a2713aSLionel Sambuc 24*f4a2713aSLionel Sambuc f(2) 25*f4a2713aSLionel Sambuc 26*f4a2713aSLionel Sambuc g(3) // expected-warning {{recursive macro}} 27*f4a2713aSLionel Sambuc 28*f4a2713aSLionel Sambuc h(0) // expected-warning {{recursive macro}} 29*f4a2713aSLionel Sambuc 30*f4a2713aSLionel Sambuc c(c) // expected-warning {{recursive macro}} 31*f4a2713aSLionel Sambuc 32*f4a2713aSLionel Sambuc y(5) // expected-warning {{recursive macro}} 33*f4a2713aSLionel Sambuc 34*f4a2713aSLionel Sambuc z(z) // ok 35*f4a2713aSLionel Sambuc 36