diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/Regress/regress-464862.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/Regress/regress-464862.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,123 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 464862;
+var summary = 'Do not assert: ( int32_t(delta) == uint8_t(delta) )';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function ygTreeView(id) {
+  this.init(id);
+}
+
+ygTreeView.prototype.init = function (id) {this.root = new ygRootNode(this);};
+
+function ygNode() {}
+
+ygNode.prototype.nextSibling = null;
+
+ygNode.prototype.init = function (_32, _33, _34) {
+  this.children = [];
+  this.expanded = _34;
+  if (_33) {
+    this.tree = _33.tree;
+    this.depth = _33.depth + 1;
+    _33.appendChild(this);
+  }
+};
+
+ygNode.prototype.appendChild = function (_35) {
+  if (this.hasChildren()) {
+    var sib = this.children[this.children.length - 1];
+  }
+  this.children[this.children.length] = _35;
+};
+
+ygNode.prototype.getElId = function () {};
+
+ygNode.prototype.getNodeHtml = function () {};
+
+ygNode.prototype.getToggleElId = function () {};
+
+ygNode.prototype.getStyle = function () {
+  var loc = this.nextSibling ? "t" : "l";
+  var _39 = "n";
+  if (this.hasChildren(true)) {}
+};
+
+ygNode.prototype.hasChildren = function () {return this.children.length > 0;};
+
+ygNode.prototype.getHtml = function () {
+  var sb = [];
+  sb[sb.length] = "<div class=\"ygtvitem\" id=\"" + this.getElId() + "\">";
+  sb[sb.length] = this.getNodeHtml();
+  sb[sb.length] = this.getChildrenHtml();
+};
+
+ygNode.prototype.getChildrenHtml = function () {
+  var sb = [];
+  if (this.hasChildren(true) && this.expanded) {
+    sb[sb.length] = this.renderChildren();
+  }
+};
+
+ygNode.prototype.renderChildren = function () {return this.completeRender();};
+
+ygNode.prototype.completeRender = function () {
+  var sb = [];
+  for (var i = 0; i < this.children.length; ++i) {
+    sb[sb.length] = this.children[i].getHtml();
+  }
+};
+
+ygRootNode.prototype = new ygNode;
+
+function ygRootNode(_48) {
+  this.init(null, null, true);
+}
+
+ygTextNode.prototype = new ygNode;
+
+function ygTextNode(_49, _50, _51) {
+  this.init(_49, _50, _51);
+  this.setUpLabel(_49);
+}
+
+ygTextNode.prototype.setUpLabel = function (_52) {
+  if (typeof _52 == "string") {}
+  if (_52.target) {}
+  this.labelElId = "ygtvlabelel" + this.index;
+};
+
+ygTextNode.prototype.getNodeHtml = function () {
+  var sb = new Array;
+  sb[sb.length] = "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
+  sb[sb.length] = "<tr>";
+  for (i = 0; i < this.depth; ++i) {}
+  sb[sb.length] = " id=\"" + this.getToggleElId() + "\"";
+  sb[sb.length] = " class=\"" + this.getStyle() + "\"";
+  if (this.hasChildren(true)) {}
+  sb[sb.length] = " id=\"" + this.labelElId + "\"";
+};
+
+function buildUserTree() {
+  userTree = new ygTreeView("userTree");
+  addMenuNode(userTree, "N", "navheader");
+  addMenuNode(userTree, "R", "navheader");
+  addMenuNode(userTree, "S", "navheader");
+}
+
+function addMenuNode(tree, label, styleClass) {
+  new ygTextNode({}, tree.root, false);
+}
+
+buildUserTree();
+userTree.root.getHtml();
+
+reportCompare(expect, actual, summary);