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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/Preprocessor/pragma_poison.c | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/Preprocessor/pragma_poison.c')
-rw-r--r-- | test/Preprocessor/pragma_poison.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Preprocessor/pragma_poison.c b/test/Preprocessor/pragma_poison.c new file mode 100644 index 0000000..d91feb7 --- /dev/null +++ b/test/Preprocessor/pragma_poison.c @@ -0,0 +1,20 @@ +// RUN: clang-cc %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. |