1 files changed, 19 insertions, 0 deletions
diff --git a/test/Preprocessor/macro_expand.c b/test/Preprocessor/macro_expand.c
new file mode 100644
index 000000000000..74b3922d1e13
--- /dev/null
+++ b/test/Preprocessor/macro_expand.c
@@ -0,0 +1,19 @@
+// RUN: clang-cc -E %s | grep '^A: Y$' &&
+// RUN: clang-cc -E %s | grep '^B: f()$' &&
+// RUN: clang-cc -E %s | grep '^C: for()$'
+
+#define X() Y
+#define Y() X
+
+A: X()()()
+
+// PR3927
+#define f(x) h(x
+#define for(x) h(x
+#define h(x) x()
+B: f(f))
+C: for(for))
+
+// rdar://6880648
+#define f(x,y...) y
+f()