2 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/PCH/cxx-templates.cpp b/clang/test/PCH/cxx-templates.cpp
index 8e89b1da462..0749fc31e39 100644
--- a/clang/test/PCH/cxx-templates.cpp
+++ b/clang/test/PCH/cxx-templates.cpp
@@ -7,6 +7,7 @@
 // RUN: %clang_cc1 -include-pch %t -verify %s -ast-dump  1>/dev/null
 // RUN: %clang_cc1 -include-pch %t %s -emit-llvm -o - | FileCheck %s
 
+// CHECK: define weak_odr void @_ZN2S4IiE1mEv
 // CHECK: define linkonce_odr void @_ZN2S3IiE1mEv
 
 struct A {
@@ -30,3 +31,5 @@ void test() {
   S3<int> s3;
   s3.m();
 }
+
+template struct S4<int>;
diff --git a/clang/test/PCH/cxx-templates.h b/clang/test/PCH/cxx-templates.h
index 91d53d3060a..978d768acc9 100644
--- a/clang/test/PCH/cxx-templates.h
+++ b/clang/test/PCH/cxx-templates.h
@@ -124,3 +124,14 @@ struct S3 {
 
 template <typename T>
 inline void S3<T>::m() { }
+
+template <typename T>
+struct S4 {
+    void m() { }
+};
+extern template struct S4<int>;
+
+void S4ImplicitInst() {
+    S4<int> s;
+    s.m();
+}