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      1 // RUN: %clang_cc1 %s -E | FileCheck %s
      2 
      3 #define foo(x) bar x
      4 foo(foo) (2)
      5 // CHECK: bar foo (2)
      6 
      7 #define m(a) a(w)
      8 #define w ABCD
      9 m(m)
     10 // CHECK: m(ABCD)
     11 
     12 
     13 
     14 // rdar://7466570 PR4438, PR5163
     15 
     16 // We should get '42' in the argument list for gcc compatibility.
     17 #define A 1
     18 #define B 2
     19 #define C(x) (x + 1)
     20 
     21 X: C(
     22 #ifdef A
     23 #if A == 1
     24 #if B
     25     42
     26 #endif
     27 #endif
     28 #endif
     29     )
     30 // CHECK: X: (42 + 1)
     31