RFR: 8290466: Default to --with-source-date=current to avoid unmodified Hotspot recompilation

[Aleksey Shipilev]

On Fri, 29 Jul 2022 09:14:30 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> Sorry for the slow response, I'm on vacation. 

Ah. I seen a few replies from you assumed you are back.

> ```
>       [how to set SOURCE_DATE_EPOCH ('updated', 'current', 'version' a timestamp or an ISO-8601 date) @<:@current/value of SOURCE_DATE_EPOCH@:>@])],
> ```

Good spot, fixed in new commit.

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PR: https://git.openjdk.org/jdk/pull/9638