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 | |