[Webkit-unassigned] [Bug 106750] New: new Date(2010, 10, 1) returns wrong date on Safari 6

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106750

           Summary: new Date(2010,10,1) returns wrong date on Safari 6
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.8
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: john.th507 at gmail.com


I've tested on Safari 6.0.2 and latest Webkit nightly in Mountain Lion.
I'm using Krasnoyarsk Standard Time (KRAT). I've tested in China Standard Time (CST), the bug still exists.

new Date(2010, 10, 1) returns
Sun Oct 31 2010 01:00:00 GMT+0800 (KRAT)

This is not the date(Nov 1, 2010) I want.


When the year is not 2010, everything's fine. Like

new Date(2011, 10, 1) returns
Tue Nov 01 2011 00:00:00 GMT+0800 (KRAT)

new Date(2012, 10, 1) returns
Thu Nov 01 2012 00:00:00 GMT+0800 (KRAT)


I've tested on Google Chrome 24.0.1312.45 beta (Mac) and Safari 5.1.5 (Windows), new Date(2010, 10, 1) returns Nov 1 as expected.
So I assume it's a JavaScriptCore bug.

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