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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-30 13:38:46 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-30 13:38:46 +0000 |
| commit | c30981a563a8947cb26b1e308d122fa2ef90fceb (patch) | |
| tree | be7c0367d7be45d668115cc556982c847b875867 /test | |
| parent | 3bc22262af7b09a459b400976cfce3d9318b8ea9 (diff) | |
Make preprocessor act in a GCC-compatible fashion when a macro is redefined
within its own argument list. The original definition is used for the immediate
expansion, but the new definition is used for any subsequent occurences within
the argument list or after the expansion.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162906 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Preprocessor/macro_arg_directive.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/Preprocessor/macro_arg_directive.c b/test/Preprocessor/macro_arg_directive.c index 5c9943d605..5bc2236f0c 100644 --- a/test/Preprocessor/macro_arg_directive.c +++ b/test/Preprocessor/macro_arg_directive.c @@ -1,5 +1,12 @@ // RUN: %clang_cc1 %s -fsyntax-only -verify +#define a(x) enum { x } +a(n = +#undef a +#define a 5 + a); +_Static_assert(n == 5, ""); + // header1.h void fail(const char *); #define MUNCH(...) \ |