Revert of [crankshaft] Protect against deopt loops from string length overflows.

test/mjsunit/regress/regress-5404.js

Index: test/mjsunit/regress/regress-5404.js
diff --git a/test/mjsunit/regress/regress-5404.js b/test/mjsunit/regress/regress-5404.js
deleted file mode 100644
index 652db4bdb5d57d159935f790d34709a6cf029f90..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-5404.js
+++ /dev/null
@@ -1,21 +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
-
-function foo(a, b) {
-  return a + "0123456789012";
-}
-
-foo("a");
-foo("a");
-%OptimizeFunctionOnNextCall(foo);
-foo("a");
-
-var a = "a".repeat(268435440);
-assertThrows(function() { foo(a); });
-
-%OptimizeFunctionOnNextCall(foo);
-assertThrows(function() { foo(a); });
-assertOptimized(foo);