1// RUN: %clang_cc1 %s -Eonly -verify 2 3// This should not be rejected. 4#ifdef defined 5#endif 6 7 8 9// PR3764 10 11// This should not produce a redefinition warning. 12#define FUNC_LIKE(a) (a) 13#define FUNC_LIKE(a)(a) 14 15// This either. 16#define FUNC_LIKE2(a)\ 17(a) 18#define FUNC_LIKE2(a) (a) 19 20// This should. 21#define FUNC_LIKE3(a) ( a) // expected-note {{previous definition is here}} 22#define FUNC_LIKE3(a) (a) // expected-warning {{'FUNC_LIKE3' macro redefined}} 23 24// RUN: %clang_cc1 -fms-extensions -DMS_EXT %s -Eonly -verify 25#ifndef MS_EXT 26// This should under C99. 27#define FUNC_LIKE4(a,b) (a+b) // expected-note {{previous definition is here}} 28#define FUNC_LIKE4(x,y) (x+y) // expected-warning {{'FUNC_LIKE4' macro redefined}} 29#else 30// This shouldn't under MS extensions. 31#define FUNC_LIKE4(a,b) (a+b) 32#define FUNC_LIKE4(x,y) (x+y) 33 34// This should. 35#define FUNC_LIKE5(a,b) (a+b) // expected-note {{previous definition is here}} 36#define FUNC_LIKE5(x,y) (y+x) // expected-warning {{'FUNC_LIKE5' macro redefined}} 37#endif 38