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1// RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s2// Check for C99 6.10.3.4p2.3 4#define f(a) f(x * (a)) 5#define x 2 6#define z z[0] 7f(f(z)); 8// CHECK: f(2 * (f(2 * (z[0]))));9 10 11 12#define A A B C 13#define B B C A 14#define C C A B 15A 16// CHECK: A B C A B A C A B C A17 18 19// PR182020#define i(x) h(x21#define h(x) x(void) 22extern int i(i));23// CHECK: int i(void)24 25 26#define M_0(x) M_ ## x 27#define M_1(x) x + M_0(0) 28#define M_2(x) x + M_1(1) 29#define M_3(x) x + M_2(2) 30#define M_4(x) x + M_3(3) 31#define M_5(x) x + M_4(4) 32 33a: M_0(1)(2)(3)(4)(5);34b: M_0(5)(4)(3)(2)(1);35 36// CHECK: a: 2 + M_0(3)(4)(5);37// CHECK: b: 4 + 4 + 3 + 2 + 1 + M_0(3)(2)(1);38 39#define n(v) v40#define l m41#define m l a42c: n(m) X43// CHECK: c: m a X44