Revert of Version 5.0.71.10 (cherry-pick)

test/mjsunit/regress/regress-4788-1.js

Index: test/mjsunit/regress/regress-4788-1.js
diff --git a/test/mjsunit/regress/regress-4788-1.js b/test/mjsunit/regress/regress-4788-1.js
deleted file mode 100644
index 347ab5e59299b320981287dab6a2b19f1f8c5a1c..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-4788-1.js
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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.
-
-// Flags: --allow-natives-syntax
-
-var f = (function() {
-  "use asm";
-  function foo(x) {
-    return x == 0;
-  }
-  return foo;
-})();
-
-function deopt(f) {
-  return {
-    toString : function() {
-      %DeoptimizeFunction(f);
-      return "2";
-    }
-  };
-}
-
-%OptimizeFunctionOnNextCall(f);
-assertFalse(f(deopt(f)));