Synchronize with r15594.

test/intl/date-format/parse-MMMdy.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --allow-natives-syntax
+// Testing v8Parse method for date and time pattern.
+// Month is represented as a short name.
 
-var a = 1;
-a.__proto__.f = 1;
-a.__proto__.f = function() { return 1; }
+var dtf = new Intl.DateTimeFormat(['en'],
+                                  {year: 'numeric', month: 'short',
+                                   day: 'numeric'});
 
-// Create some polymorphism.
-function B() {}
-B.prototype = {f: function() { return 2; }};
-var b = new B();
-function C() {}
-C.prototype = {g: "foo", f: function() { return 3; }};
-var c = new C();
+// Make sure we have pattern we expect (may change in the future).
+assertEquals('MMM d, y', dtf.resolved.pattern);
 
-function crash(obj) {
-  return obj.f();
-}
+assertEquals('Sat May 04 1974 00:00:00 GMT-0007 (PDT)',
+             usePDT(String(dtf.v8Parse('May 4, 1974'))));
 
-for (var i = 0; i < 2; i++) {
-  crash(a);
-  crash(b);
-  crash(c);
-}
-%OptimizeFunctionOnNextCall(crash);
-assertEquals(1, crash(a));
+// Missing , in the pattern.
+assertEquals(undefined, dtf.v8Parse('May 4 1974'));
+
+// Extra "th" after 4 in the pattern.
+assertEquals(undefined, dtf.v8Parse('May 4th, 1974'));
+
+// Wrong pattern.
+assertEquals(undefined, dtf.v8Parse('5/4/1974'));