--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Modules/Inputs/templates-top.h	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,65 @@
+template<typename T> class Vector;
+
+template<typename T> class List {
+public:
+  void push_back(T);
+
+  struct node {};
+  node *head;
+  unsigned size;
+};
+
+extern List<double> *instantiateListDoubleDeclaration;
+extern List<long> *instantiateListLongDeclaration;
+
+namespace A {
+  class Y {
+    template <typename T> friend class WhereAmI;
+  };
+}
+
+template <typename T> class A::WhereAmI {
+public:
+  static void func() {}
+};
+
+template<typename T> struct Outer {
+  struct Inner {};
+};
+
+template<bool, bool> struct ExplicitInstantiation {
+  void f() {}
+};
+
+template<typename> struct DelayUpdates {};
+
+template<typename T> struct OutOfLineInline {
+  void f();
+  void g();
+  void h();
+};
+template<typename T> inline void OutOfLineInline<T>::f() {}
+template<typename T> inline void OutOfLineInline<T>::g() {}
+template<typename T> inline void OutOfLineInline<T>::h() {}
+
+namespace EmitDefaultedSpecialMembers {
+  template<typename T> struct SmallVectorImpl {
+    SmallVectorImpl() {}
+    ~SmallVectorImpl() {} // non-trivial dtor
+  };
+  template<typename T, unsigned N> struct SmallVector : SmallVectorImpl<T> {
+    // trivial dtor
+  };
+  template<unsigned N> struct SmallString : SmallVector<char, N> {
+    // trivial dtor
+  };
+}
+
+template<typename T> struct WithUndefinedStaticDataMember {
+  static T undefined;
+};
+
+template<typename T> struct __attribute__((packed, aligned(2))) WithAttributes {
+  T value;
+};
+WithAttributes<int> *get_with_attributes();