Avoid going into runtime system for round-towards-zero operations on ARM.

test/mjsunit/date-parse.js

 // Copyright 2008 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
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@@ skipping 236 matching lines @@
 testCasesPDT.forEach(testDateParse);
 testCasesLocalTime.forEach(testDateParseLocalTime);
 testCasesMisc.forEach(testDateParseMisc);
 
 
 // Test that we can parse our own date format.
 // (Dates from 1970 to ~2070 with 95h steps.)
 for (var i = 0; i < 24 * 365 * 100; i += 95) {
   var ms = i * (3600 * 1000);
   var s = (new Date(ms)).toString();
-  assertEquals(ms, Date.parse(s), s);
+  assertEquals(ms, Date.parse(s), "parse own: " + s);
 }
 
 // Negative tests.
 var testCasesNegative = [
     'May 25 2008 1:30 (PM)) UTC',
     'May 25 2008 1:30( )AM (PM)',
     'May 25 2008 AAA (GMT)'];
 
 testCasesNegative.forEach(function (s) {
     assertTrue(isNaN(Date.parse(s)), s + " is not NaN.");
 });