Check in LLVM r95781.
diff --git a/test/SemaTemplate/instantiate-call.cpp b/test/SemaTemplate/instantiate-call.cpp
new file mode 100644
index 0000000..ad06be3
--- /dev/null
+++ b/test/SemaTemplate/instantiate-call.cpp
@@ -0,0 +1,50 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+namespace N1 {
+ struct X0 { };
+
+ int& f0(X0);
+}
+
+namespace N2 {
+ char& f0(char);
+
+ template<typename T, typename Result>
+ struct call_f0 {
+ void test_f0(T t) {
+ Result result = f0(t);
+ }
+ };
+}
+
+template struct N2::call_f0<int, char&>;
+template struct N2::call_f0<N1::X0, int&>;
+
+namespace N3 {
+ template<typename T, typename Result>
+ struct call_f0 {
+ void test_f0(T t) {
+ Result &result = f0(t); // expected-error 2{{undeclared identifier}}
+ }
+ };
+}
+
+template struct N3::call_f0<int, char&>; // expected-note{{instantiation}}
+template struct N3::call_f0<N1::X0, int&>;
+
+short& f0(char);
+namespace N4 {
+ template<typename T, typename Result>
+ struct call_f0 {
+ void test_f0(T t) {
+ Result &result = f0(t);
+ }
+ };
+}
+
+template struct N4::call_f0<int, short&>;
+template struct N4::call_f0<N1::X0, int&>;
+template struct N3::call_f0<int, short&>; // expected-note{{instantiation}}
+
+// FIXME: test overloaded function call operators, calls to member
+// functions, etc.