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      1 // Test this without pch.
      2 // RUN: %clang_cc1 -include %s -fsyntax-only -verify %s
      3 
      4 // Test with pch.
      5 // RUN: %clang_cc1 -emit-pch -o %t %s
      6 // RUN: %clang_cc1 -include-pch %t -fsyntax-only -verify %s
      7 
      8 #ifndef HEADER
      9 #define HEADER
     10 
     11 extern float y;
     12 extern int *ip, x;
     13 
     14 float z;
     15 
     16 int z2 = 17;
     17 
     18 #define MAKE_HAPPY(X) X##Happy
     19 int MAKE_HAPPY(Very);
     20 
     21 #define A_MACRO_IN_THE_PCH 492
     22 #define FUNCLIKE_MACRO(X, Y) X ## Y
     23 
     24 #define PASTE2(x,y) x##y
     25 #define PASTE1(x,y) PASTE2(x,y)
     26 #define UNIQUE(x) PASTE1(x,__COUNTER__)
     27 
     28 int UNIQUE(a);  // a0
     29 int UNIQUE(a);  // a1
     30 
     31 #else
     32 
     33 int *ip2 = &x;
     34 float *fp = &ip; // expected-warning{{incompatible pointer types}}
     35 double z; // expected-error{{redefinition}} expected-note@14{{previous}}
     36 int z2 = 18; // expected-error{{redefinition}} expected-note@16{{previous}}
     37 double VeryHappy; // expected-error{{redefinition}} expected-note@19{{previous definition is here}}
     38 
     39 int Q = A_MACRO_IN_THE_PCH;
     40 
     41 int R = FUNCLIKE_MACRO(A_MACRO_, IN_THE_PCH);
     42 
     43 
     44 int UNIQUE(a);  // a2
     45 int *Arr[] = { &a0, &a1, &a2 };
     46 
     47 #endif
     48