RFR: 8259021 avoid double racy reads from non-volatile fields of SharedSecrets [v2]

[Roger Riggs]

On Mon, 4 Jan 2021 14:27:09 GMT, Peter Levart <plevart at openjdk.org> wrote:

>> See: https://bugs.openjdk.java.net/browse/JDK-8259021
>> See also discussion in thread: https://mail.openjdk.java.net/pipermail/core-libs-dev/2020-December/072798.html
>
> Peter Levart has updated the pull request incrementally with one additional commit since the last revision:
> 
>   revert the unrelated change

The bug title and the PR title need to be the same.
Editing either one is fine.

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Marked as reviewed by rriggs (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1914