| // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s |
| |
| #define for 0 // expected-warning {{keyword is hidden by macro definition}} |
| #define final 1 |
| #define __HAVE_X 0 |
| #define __cplusplus |
| #define _HAVE_X 0 |
| #define X__Y |
| #define __STDC__ 1 // expected-warning {{redefining builtin macro}} |
| #define __clang__ 1 |
| |
| #undef for |
| #undef final |
| #undef __HAVE_X |
| #undef __cplusplus |
| #undef _HAVE_X |
| #undef X__Y |
| #undef __STDC_HOSTED__ // expected-warning {{undefining builtin macro}} |
| #undef __INT32_TYPE__ |
| #undef __UINT32_TYPE__ |
| #undef __UINTPTR_TYPE__ |
| #undef __UINT64_TYPE__ |
| #undef __INT64_TYPE__ |
| #undef __OPTIMIZE__ |
| |
| // allowlisted definitions |
| #define while while |
| #define const |
| #define static |
| #define extern |
| #define inline |
| |
| #undef while |
| #undef const |
| #undef static |
| #undef extern |
| #undef inline |
| |
| #define inline __inline |
| #undef inline |
| #define inline __inline__ |
| #undef inline |
| |
| #define inline inline__ // expected-warning {{keyword is hidden by macro definition}} |
| #undef inline |
| #define extern __inline // expected-warning {{keyword is hidden by macro definition}} |
| #undef extern |
| #define extern __extern // expected-warning {{keyword is hidden by macro definition}} |
| #undef extern |
| #define extern __extern__ // expected-warning {{keyword is hidden by macro definition}} |
| #undef extern |
| |
| #define inline _inline // expected-warning {{keyword is hidden by macro definition}} |
| #undef inline |
| #define volatile // expected-warning {{keyword is hidden by macro definition}} |
| #undef volatile |
| |
| #pragma clang diagnostic warning "-Wreserved-macro-identifier" |
| |
| #define switch if // expected-warning {{keyword is hidden by macro definition}} |
| #define final 1 |
| #define __clusplus // expected-warning {{macro name is a reserved identifier}} |
| #define __HAVE_X 0 // expected-warning {{macro name is a reserved identifier}} |
| #define _HAVE_X 0 // expected-warning {{macro name is a reserved identifier}} |
| #define X__Y |
| |
| #undef switch |
| #undef final |
| #undef __cplusplus // expected-warning {{macro name is a reserved identifier}} |
| #undef _HAVE_X // expected-warning {{macro name is a reserved identifier}} |
| #undef X__Y |
| |
| int x; |
| |
| #define _GNU_SOURCE // no-warning |
| #define __STDC_FORMAT_MACROS // no-warning |
