--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/SemaTemplate/late-parsing-eager-instantiation.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,40 @@
+// RUN: %clang_cc1 -std=c++14 -verify %s
+
+// pr33561
+class ArrayBuffer;
+template <typename T> class Trans_NS_WTF_RefPtr {
+public:
+  ArrayBuffer *operator->() { return nullptr; }
+};
+Trans_NS_WTF_RefPtr<ArrayBuffer> get();
+template <typename _Visitor>
+constexpr void visit(_Visitor __visitor) {
+  __visitor(get()); // expected-note {{in instantiation}}
+}
+class ArrayBuffer {
+  char data() {
+    visit([](auto buffer) -> char { // expected-note {{in instantiation}}
+      buffer->data();
+    }); // expected-warning {{non-void lambda does not return a value}}
+  } // expected-warning {{non-void function does not return a value}}
+};
+
+// pr34185
+template <typename Promise> struct coroutine_handle {
+  Promise &promise() const { return
+    *static_cast<Promise *>(nullptr); // expected-warning {{binding dereferenced null}}
+  }
+};
+
+template <typename Promise> auto GetCurrenPromise() {
+  struct Awaiter { // expected-note {{in instantiation}}
+    void await_suspend(coroutine_handle<Promise> h) {
+      h.promise(); // expected-note {{in instantiation}}
+    }
+  };
+  return Awaiter{};
+}
+
+void foo() {
+  auto &&p = GetCurrenPromise<int>(); // expected-note {{in instantiation}}
+}