--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Modules/Inputs/macros_top.h	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,25 @@
+#define TOP unsigned int
+
+#define TOP_LEFT_UNDEF 1
+
+
+
+
+
+
+
+#define TOP_RIGHT_REDEF float
+// The last definition will be exported from the sub-module.
+#define TOP_RIGHT_REDEF int
+
+#define TOP_RIGHT_UNDEF int
+
+#define TOP_OTHER_UNDEF1 42
+#undef TOP_OTHER_UNDEF2
+#define TOP_OTHER_REDEF1 1
+#define TOP_OTHER_REDEF2 2
+
+#define TOP_OTHER_DEF_RIGHT_UNDEF void
+
+#define TOP_REDEF_IN_SUBMODULES 0
+#define TOP_DEF_RIGHT_UNDEF void