2 files changed, 15 insertions, 0 deletions
diff --git a/test/Modules/Inputs/innerstructredef.h b/test/Modules/Inputs/innerstructredef.h
new file mode 100644
index 000000000000..600f44e41cf8
--- /dev/null
+++ b/test/Modules/Inputs/innerstructredef.h
@@ -0,0 +1,6 @@
+struct Outer {
+// This definition is actually hidden since only submodule 'one' is imported.
+struct Inner {
+  int x;
+} field;
+};
diff --git a/test/Modules/Inputs/module.map b/test/Modules/Inputs/module.map
index 4cb3e8a02804..4788daa43166 100644
--- a/test/Modules/Inputs/module.map
+++ b/test/Modules/Inputs/module.map
@@ -451,3 +451,12 @@ module DebugNestedB {
 module objcAtKeywordMissingEnd {
   header "objcAtKeywordMissingEnd.h"
 }
+
+module innerstructredef {
+  module one {
+    header "empty.h"
+  }
+  module two {
+   header "innerstructredef.h"
+  }
+}