Keep new arrays allocated with 'new Array(N)' in fast mode

test/fuzz-natives/base.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// Flags: --allow-natives-syntax
+
 // TODO(jkummerow): There are many ways to improve these tests, e.g.:
 // - more variance in randomized inputs
 // - better time complexity management
 // - better code readability and documentation of intentions.
 
 var RUN_WITH_ALL_ARGUMENT_ENTRIES = false;
 var kOnManyArgumentsRemove = 5;
 
 function makeArguments() {
   var result = [ ];
   result.push(17);
   result.push(-31);
   result.push(new Array(100));
-  result.push(new Array(100003));
+  var a = %NormalizeElements([]);
+  a.length = 100003;
+  result.push(a);
   result.push(Number.MIN_VALUE);
   result.push("whoops");
   result.push("x");
   result.push({"x": 1, "y": 2});
   var slowCaseObj = {"a": 3, "b": 4, "c": 5};
   delete slowCaseObj.c;
   result.push(slowCaseObj);
   result.push(function () { return 8; });
   return result;
 }
@@ skipping 61 matching lines @@
       func.apply(void 0, argList);
     } catch (e) {
       // we don't care what happens as long as we don't crash
     }
     type++;
   }
 }
 
 testArgumentCount(NAME, ARGC);
 testArgumentTypes(NAME, ARGC);