1 files changed, 7 insertions, 2 deletions
diff --git a/deps/v8/test/mjsunit/readonly.js b/deps/v8/test/mjsunit/readonly.js
index 4d06b7cf43..050e256275 100644
--- a/deps/v8/test/mjsunit/readonly.js
+++ b/deps/v8/test/mjsunit/readonly.js
@@ -25,7 +25,8 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --allow-natives-syntax --harmony-proxies --es5_readonly
+// Flags: --allow-natives-syntax --es5_readonly
+// Flags: --harmony-proxies
 
 // Different ways to create an object.
 
@@ -120,8 +121,12 @@ function ReadonlyByProto(o, name) {
   o.__proto__ = p;
 }
 
+// Allow Proxy to be undefined, so test can run in non-Harmony mode as well.
+var global = this;
+
 function ReadonlyByProxy(o, name) {
-  var p = Proxy.create({
+  if (!global.Proxy) return ReadonlyByFreeze(o, name);  // Dummy.
+  var p = global.Proxy.create({
     getPropertyDescriptor: function() {
       return {value: -46, writable: false, configurable: true};
     }