diff options
Diffstat (limited to 'test/Preprocessor/extension-warning.c')
-rw-r--r-- | test/Preprocessor/extension-warning.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Preprocessor/extension-warning.c b/test/Preprocessor/extension-warning.c new file mode 100644 index 0000000..7b5095f --- /dev/null +++ b/test/Preprocessor/extension-warning.c @@ -0,0 +1,18 @@ +// RUN: clang-cc -fsyntax-only -verify -pedantic %s + +// The preprocessor shouldn't warn about extensions within macro bodies that +// aren't expanded. +#define TY typeof +#define TY1 typeof(1) + +// But we should warn here +TY1 x; // expected-warning {{extension}} +TY(1) x; // FIXME: And we should warn here + +// Note: this warning intentionally doesn't trigger on keywords like +// __attribute; the standard allows implementation-defined extensions +// prefixed with "__". +// Current list of keywords this can trigger on: +// inline, restrict, asm, typeof, _asm + +void whatever() {} |