1// RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s 2// 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 A 17 18 19// PR1820 20#define i(x) h(x 21#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) v 40#define l m 41#define m l a 42c: n(m) X 43// CHECK: c: m a X 44