RFR: 8322815: Eliminate -Wparentheses warnings in shenandoah code

[Zhengyu Gu]

On Tue, 2 Jan 2024 06:01:07 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> 8322815: Eliminate -Wparentheses warnings in shenandoah code
> 
> Please review this change to eliminate some -Wparentheses warnings. This
> involved simply adding a few parentheses to make some implicit operator
> precedence explicit.
> 
> Testing: local (linux-x64) build with shenandoah included and ran
> hotspot:tier1 with -XX:+UseShenandoahGC.

LGTM

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Marked as reviewed by zgu (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17214#pullrequestreview-1802816770