[Webkit-unassigned] [Bug 172637] REGRESSION(r217458): 55 javascript tests are failing after r217458 on Linux and Windows

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172637

--- Comment #11 from Yusuke Suzuki <utatane.tea at gmail.com> ---
(In reply to Yusuke Suzuki from comment #10)
> (In reply to Keith Miller from comment #9)
> > Hmm, it looks like FF and Chrome turn "new Date("May 8 -1")" into NaN.
> > Perhaps we should have the same result here?
> > 
> > As far as LMT it doesn't look like the spec mentions it:
> > https://tc39.github.io/ecma262/#sec-local-time-zone-adjustment. So it seems
> > like we should avoid using it.
> 
> LMT can be easily seen if you use a bit old date (but it's not so old, year
> < 1883).
> For example, `new Date("May 8 1880")` will show "Fri May 07 1880 23:59:02
> GMT-0752 (LMT)".

Another problem is that the end of LMT depends on each TZ.
PDT says "1883 Nov 18 12:07:02".
Europe/Amsterdam　is +00:19:32 (0:19:32)  - LMT 1835
Asia/Dubai is +03:41:12 (3:41:12)  - LMT 1920

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