[turbofan] Implement %_NewObject using FastNewObjectStub.

test/mjsunit/regress/regress-crbug-609029.js

Index: test/mjsunit/regress/regress-crbug-609029.js
diff --git a/test/message/arrow-invalid-rest-2.js b/test/mjsunit/regress/regress-crbug-609029.js
similarity index 55%
copy from test/message/arrow-invalid-rest-2.js
copy to test/mjsunit/regress/regress-crbug-609029.js
index 3517803d30256b09e78a1aa1f43817e733dc060e..bd77de28a99ebddaf1f89c3db5a34fe61734e310 100644
--- a/test/message/arrow-invalid-rest-2.js
+++ b/test/mjsunit/regress/regress-crbug-609029.js
@@ -1,8 +1,7 @@
 // Copyright 2016 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.
-//
-//
 
-var f = (a, ...x = 10) => x;
-f(1, 2, 3, 4, 5);
+// Flags: --always-opt --function-context-specialization --gc-interval=14
+// Flags: --turbo-filter=match --verify-heap
+"xxx".match();