RFR: 8261431: SA: Add comments about load address of executable

[Yasumasa Suenaga]

On Tue, 9 Feb 2021 17:57:42 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

>> I removed the comment about load address of executable in [JDK-8248876](https://bugs.openjdk.java.net/browse/JDK-8248876) (#2366), but it contained useful information for maintenance.
>> 
>> So I re-add them, and add comment for the change in JDK-8248876. Please see https://github.com/openjdk/jdk/pull/2366#issuecomment-775362982
>
> Hi Yasumasa,
> LGTM
> Thanks,
> Serguei

Thanks @sspitsyn !
@kevinjwalls Can you approve this change?

-------------

PR: https://git.openjdk.java.net/jdk/pull/2478