[10] RFR: 8184940: JDK 9 rejects zip files where the modified day or month is 0

[Liam Miller-Cushon]

On Fri, Jul 28, 2017 at 3:30 PM, Martin Buchholz <martinrb at google.com>
wrote:

> It looks like this will test only the year, not all the date fields.
> Shouldn't that be s/25/16/ ?
> Does this code handle the "true" epoch of 1980-01-01 ?
>

It does now, thanks:
http://cr.openjdk.java.net/~cushon/8184940/webrev.02/

This raises the question of what it should do if a day or month is zero but
year/month/day are not all zero. Is 1980-0-0 special, or should 1980-0-1
and 1980-1-0 also be tolerated for compatibility with JDK 8?