RFR: 8342001: GenShen: Factor cases for allocation type into separate methods [v3]

[Y. Srinivas Ramakrishna]

On Mon, 14 Oct 2024 22:28:42 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> Prune switch statement which has grown unwieldy.
>
> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review feedback

Reviwed; 🚢

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Marked as reviewed by ysr (Committer).

PR Review: https://git.openjdk.org/shenandoah/pull/511#pullrequestreview-2370175839