diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/types.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/types.dart
index a5d6dd0..41c3de7 100644
--- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/types.dart
+++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/types.dart
@@ -201,7 +201,9 @@
   toString() => 'bottom';
 }
 
-final bottom = BottomType();
+// TODO(vsm): We reify bottom as Null.  We will revisit this with
+// non-nullable types.
+final bottom = unwrapType(Null);
 
 class JSObjectType extends DartType {
   toString() => 'NativeJavaScriptObject';
diff --git a/tests/language_2/bottom_test.dart b/tests/language_2/bottom_test.dart
new file mode 100644
index 0000000..38ac721
--- /dev/null
+++ b/tests/language_2/bottom_test.dart
@@ -0,0 +1,14 @@
+// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "package:expect/expect.dart";
+
+void main() {
+  final f1 = () => throw null;
+  final f2 = () => null;
+  Expect.equals(f1.runtimeType, f2.runtimeType);
+
+  final Bottom = (<F>(F Function() f) => F)(() => throw null);
+  Expect.equals(Null, Bottom);
+}