21 lines
547 B
C
21 lines
547 B
C
|
// 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.
|