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-rw-r--r--clang/test/Preprocessor/macro_misc.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/macro_misc.c b/clang/test/Preprocessor/macro_misc.c
new file mode 100644
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--- /dev/null
+++ b/clang/test/Preprocessor/macro_misc.c
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 %s -Eonly -verify
+
+// This should not be rejected.
+#ifdef defined
+#endif
+
+
+
+// PR3764
+
+// This should not produce a redefinition warning.
+#define FUNC_LIKE(a) (a)
+#define FUNC_LIKE(a)(a)
+
+// This either.
+#define FUNC_LIKE2(a)\
+(a)
+#define FUNC_LIKE2(a) (a)
+
+// This should.
+#define FUNC_LIKE3(a) ( a) // expected-note {{previous definition is here}}
+#define FUNC_LIKE3(a) (a) // expected-warning {{'FUNC_LIKE3' macro redefined}}
+