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-rw-r--r--test/Preprocessor/macro_arg_directive.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/Preprocessor/macro_arg_directive.c b/test/Preprocessor/macro_arg_directive.c
index 5c9943d60530..5bc2236f0c45 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(...) \