SIMD.js: Update Float32x4 and tests to current spec.

test/mjsunit/messages.js

 // Copyright 2015 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: --stack-size=100 --harmony --harmony-reflect --harmony-arrays
 // Flags: --harmony-regexps --harmony-simd --strong-mode
 
 function test(f, expected, type) {
   try {
     f();
@@ skipping 307 matching lines @@
   "" + Symbol();
 }, "Cannot convert a Symbol value to a string", TypeError);
 
 // kSymbolToNumber
 test(function() {
   1 + Symbol();
 }, "Cannot convert a Symbol value to a number", TypeError);
 
 // kSimdToNumber
 test(function() {
-  1 + SIMD.float32x4(1, 2, 3, 4);
+  1 + SIMD.Float32x4(1, 2, 3, 4);
 }, "Cannot convert a SIMD value to a number", TypeError);
 
 // kUndefinedOrNullToObject
 test(function() {
   Array.prototype.toString.call(null);
 }, "Cannot convert undefined or null to object", TypeError);
 
 // kValueAndAccessor
 test(function() {
   Object.defineProperty({}, "x", { get: function(){}, value: 1});
@@ skipping 128 matching lines @@
   Number(1).toString(100);
 }, "toString() radix argument must be between 2 and 36", RangeError);
 
 
 // === URIError ===
 
 // kURIMalformed
 test(function() {
   decodeURI("%%");
 }, "URI malformed", URIError);