1 // RUN: %clang_cc1 %s -Eonly -verify 2 3 #pragma GCC poison rindex 4 rindex(some_string, 'h'); // expected-error {{attempt to use a poisoned identifier}} 5 6 #define BAR _Pragma ("GCC poison XYZW") XYZW /*NO ERROR*/ 7 XYZW // ok 8 BAR 9 XYZW // expected-error {{attempt to use a poisoned identifier}} 10 11 // Pragma poison shouldn't warn from macro expansions defined before the token 12 // is poisoned. 13 14 #define strrchr rindex2 15 #pragma GCC poison rindex2 16 17 // Can poison multiple times. 18 #pragma GCC poison rindex2 19 20 strrchr(some_string, 'h'); // ok. 21
