fix -dM with variadic macros, PR5699
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90735 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/dump_macros.c b/test/Preprocessor/dump_macros.c
index 29b1d29..b4d2906 100644
--- a/test/Preprocessor/dump_macros.c
+++ b/test/Preprocessor/dump_macros.c
@@ -27,3 +27,12 @@
#define G 1
#undef G
#define G 2
+
+// Variadic macros of various sorts. PR5699
+
+// CHECK: H(x,...) __VA_ARGS__
+#define H(x, ...) __VA_ARGS__
+// CHECK: I(...) __VA_ARGS__
+#define I(...) __VA_ARGS__
+// CHECK: J(x...) __VA_ARGS__
+#define J(x ...) __VA_ARGS__