Integrated: 8344321: GenShen: Fix various sonar scan warnings

[William Kemper]

On Tue, 19 Nov 2024 18:19:47 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Various sonar warnings are fixed: 
> * unused variables removed
> * implicit casts made explicit
> * members are all initialized

This pull request has now been integrated.

Changeset: 6df9c536
Author:    William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.org/shenandoah/commit/6df9c536f1938520b180be3d5c4966112f4b74d9
Stats:     53 lines in 9 files changed: 1 ins; 31 del; 21 mod

8344321: GenShen: Fix various sonar scan warnings

Reviewed-by: kdnilsen, shade

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PR: https://git.openjdk.org/shenandoah/pull/544