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| author | Chris Lattner <sabre@nondot.org> | 2009-04-19 20:29:42 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-19 20:29:42 +0000 |
| commit | 332ee08e2fe78fde281e0868ec039b546cb6e0f4 (patch) | |
| tree | 7f9edd49ac0a8e977449dcc1aa2dc01c67fc9587 /test/Preprocessor/macro_paste_bad.c | |
| parent | f22f77f4e9149499a987e2363a0be01d0bc2d426 (diff) | |
| download | clang-332ee08e2fe78fde281e0868ec039b546cb6e0f4.tar.gz | |
move token paste poisoning diagnostics to after the instantiation loc
for a token is set, this makes the diagnostic "expanded from stack" work
for this diagnostic. Add a testcase for PR3918.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69544 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Preprocessor/macro_paste_bad.c')
| -rw-r--r-- | test/Preprocessor/macro_paste_bad.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Preprocessor/macro_paste_bad.c b/test/Preprocessor/macro_paste_bad.c index f70c3b3ba2..b43d70b0c4 100644 --- a/test/Preprocessor/macro_paste_bad.c +++ b/test/Preprocessor/macro_paste_bad.c @@ -18,3 +18,16 @@ XYZ #define i ## // expected-error {{'##' cannot appear at start of macro expansion}} #define j() ## // expected-error {{'##' cannot appear at start of macro expansion}} +// Invalid token pasting. +// PR3918 + +// When pasting creates poisoned identifiers, we error. +#pragma GCC poison BLARG +BLARG // expected-error {{attempt to use a poisoned identifier}} +#define XX BL ## ARG +XX // expected-error {{attempt to use a poisoned identifier}} + +#define VA __VA_ ## ARGS__ +int VA; // expected-warning {{__VA_ARGS__ can only appear in the expansion of a C99 variadic macro}} + + |