Re: [PATCH] posixtm: don't reject a time with "60" as the number of seconds

[Jim Meyering]

Paolo Bonzini wrote:
>>> Going backwards from "cal 1 1" you can see that in
>>> the Julian calendar 01-Jan-0000 was a Thursday, but that's not so
>>> relevant.
>>>
>>> However cal can help seeing that 01-Jan-0000 is a Saturday in
>>> Gregorian proleptic calendar (i.e. extending Gregorian calendar before
>>> the day when it was adopted).  400 years have 146097 days, which is
>>> divisible by 7, and 01-Jan-2000 was a Saturday.
>>
>> If that's true, then this new test failure suggests there's a bug in mktime.
>
> For the record, GNU Smalltalk gives the same answer.

Good.  So does erlang.
In converting that to a proper gnulib-style test,
I realized that I'd interpreted reversed diffs.

This (actual output) is right:
  -62167219200 Sat

and the expected output in posixtm.c was wrong.