1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
// 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.
|
