1// RUN: %clang_cc1 %s -Eonly -verify 2 3#pragma GCC poison rindex 4rindex(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 8BAR 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 20strrchr(some_string, 'h'); // ok. 21