bug#35502: 27.0.50; encode-time apparently stopped working

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: mbork@mbork.pl,  35502@debbugs.gnu.org
> Date: Tue, 30 Apr 2019 17:55:55 +0200
> 
> >>>>> On Tue, 30 Apr 2019 18:43:48 +0300, Eli Zaretskii <eliz@gnu.org> said:
> 
>     Eli> Is this an optimized build or an unoptimized one?  If the
>     Eli> former, can you try rebuilding with __attribute((cold)) use
>     Eli> disabled?  You can do that in conf_post.h, where
>     Eli> ATTRIBUTE_COLD is defined.
> 
> Itʼs an optimized build (-g3 -O2). Turning off ATTRIBUTE_COLD makes no
> difference. Iʼll rebuild from scratch just to double check.

OK, so it's probably some problem with DST database?  What happens if
you use -1 instead of t or nil?