null value can be the receiver of methods on Object (e.g. hashCode).

tests/language/null_hashcode_optimized_vm_test.dart

Index: tests/language/null_hashcode_optimized_vm_test.dart
diff --git a/tests/language/null_no_such_method_test.dart b/tests/language/null_hashcode_optimized_vm_test.dart
similarity index 54%
copy from tests/language/null_no_such_method_test.dart
copy to tests/language/null_hashcode_optimized_vm_test.dart
index adfab894f71803f7455b6211b07fa2067da4a05a..27906ca25e9cf25e41fe528059a2c83d783c6197 100644
--- a/tests/language/null_no_such_method_test.dart
+++ b/tests/language/null_hashcode_optimized_vm_test.dart
@@ -1,11 +1,13 @@
 // Copyright (c) 2013, 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.
-
-var array = [1];
+// Test that optimized Object.hashCode works for the null receiver.
+// VMOptions=--optimization_counter_threshold=100
 
 main() {
-  Expect.throws(() => -null, (e) => e is NoSuchMethodError);
-  // Make sure we have an untyped call to operator-.
-  print(-array[0]);
+  for (int i = 0; i < 200; i++) {
+    foo(null);
+  }
 }
+
+foo(a) => a.hashCode;