Check in LLVM r95781.
diff --git a/test/SemaTemplate/instantiate-function-2.cpp b/test/SemaTemplate/instantiate-function-2.cpp
new file mode 100644
index 0000000..6318fac
--- /dev/null
+++ b/test/SemaTemplate/instantiate-function-2.cpp
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+template <typename T> struct S {
+  S() { }
+  S(T t);
+};
+
+template struct S<int>;
+
+void f() {
+  S<int> s1;
+  S<int> s2(10);
+}