diff --git a/clang/test/Modules/Inputs/redecl-add-after-load-top.h b/clang/test/Modules/Inputs/redecl-add-after-load-top.h
new file mode 100644
index 000000000000..638fb013cd7e
--- /dev/null
+++ b/clang/test/Modules/Inputs/redecl-add-after-load-top.h
@@ -0,0 +1,5 @@
+struct C {
+  struct A;
+  static const int variable;
+  static constexpr int function();
+};