[es6] use correct --harmony-destructuring-assignment flag when preparsing

test/mjsunit/harmony/destructuring-assignment-lazy.js

Index: test/mjsunit/harmony/destructuring-assignment-lazy.js
diff --git a/test/mjsunit/compiler/regress-variable-liveness-let.js b/test/mjsunit/harmony/destructuring-assignment-lazy.js
similarity index 50%
copy from test/mjsunit/compiler/regress-variable-liveness-let.js
copy to test/mjsunit/harmony/destructuring-assignment-lazy.js
index 4c6b6936e58543844ec2684d56abd898217ce6cd..8915eb97a39957400059eee2545eb7c48cefe47c 100644
--- a/test/mjsunit/compiler/regress-variable-liveness-let.js
+++ b/test/mjsunit/harmony/destructuring-assignment-lazy.js
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --turbo-filter=f
-
-"use strict";
+// Flags: --harmony-destructuring-assignment --harmony-destructuring-bind
+// Flags: --min-preparse-length=0
 
 function f() {
-  %DeoptimizeNow();
-  let x = 23;
+  var a, b;
+  [ a, b ] = [1, 2];
+  assertEquals(1, a);
+  assertEquals(2, b);
 }
 
-%OptimizeFunctionOnNextCall(f);
 f();