1 files changed, 22 insertions, 0 deletions
diff --git a/test/Modules/pr28812.cpp b/test/Modules/pr28812.cpp
new file mode 100644
index 000000000000..78267d2a4b44
--- /dev/null
+++ b/test/Modules/pr28812.cpp
@@ -0,0 +1,22 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -std=c++11 -nostdsysteminc -I%S/Inputs/PR28812 -verify %s
+// RUN: %clang_cc1 -std=c++11 -nostdsysteminc -fmodules -fimplicit-module-maps \
+// RUN:            -fmodules-cache-path=%t -I%S/Inputs/PR28812 -verify %s
+
+template <typename> struct VarStreamArrayIterator;
+template <typename ValueType>
+struct VarStreamArray {
+  typedef VarStreamArrayIterator<ValueType> Iterator;
+  Iterator begin() { return Iterator(*this); }
+};
+
+#include "Textual.h"
+
+#include "a.h"
+#include "b.h"
+
+VarStreamArray<int> a;
+auto b = a.begin();
+
+// expected-no-diagnostics
+