Fix Hydrogen bounds check elimination

test/mjsunit/regress/regress-crbug-344186.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
+
+var dummy = new Int32Array(100);
+var array = new Int32Array(128);
+function fun(base) {
+  array[base - 95] = 1;
+  array[base - 99] = 2;
+  array[base + 4] = 3;
+}
+fun(100);
+%OptimizeFunctionOnNextCall(fun);
+fun(0);
+
+for (var i = 0; i < dummy.length; i++) {
+  assertEquals(0, dummy[i]);
+}