diff --git a/tests/corelib_2/double_hash_code_test.dart b/tests/corelib_2/double_hash_code_test.dart
index 7d049866c70..8665e6bab0d 100644
--- a/tests/corelib_2/double_hash_code_test.dart
+++ b/tests/corelib_2/double_hash_code_test.dart
@@ -2,6 +2,9 @@
 // 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.
 
+// VMOptions=--intrinsify
+// VMOptions=--no_intrinsify
+
 import 'package:expect/expect.dart';
 
 main() {
diff --git a/tests/standalone_2/double_hash_distribution_test.dart b/tests/standalone_2/double_hash_distribution_test.dart
index 7d8b0aa7ce2..1abf10734cb 100644
--- a/tests/standalone_2/double_hash_distribution_test.dart
+++ b/tests/standalone_2/double_hash_distribution_test.dart
@@ -4,6 +4,9 @@
 
 // Test that the distribution of hash codes for doubles is reasonable.
 
+// VMOptions=--intrinsify
+// VMOptions=--no_intrinsify
+
 import 'package:expect/expect.dart';
 
 main() {