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- // RUN: %clang_cc1 %s -Eonly -verify
- #pragma GCC poison rindex
- rindex(some_string, 'h'); // expected-error {{attempt to use a poisoned identifier}}
- #define BAR _Pragma ("GCC poison XYZW") XYZW /*NO ERROR*/
- XYZW // ok
- BAR
- XYZW // expected-error {{attempt to use a poisoned identifier}}
- // Pragma poison shouldn't warn from macro expansions defined before the token
- // is poisoned.
- #define strrchr rindex2
- #pragma GCC poison rindex2
- // Can poison multiple times.
- #pragma GCC poison rindex2
- strrchr(some_string, 'h'); // ok.
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