[lworld] RFR: 8349923: Refactor StackMapTable constructor and StackMapReader

[Dan Heidinga]

On Wed, 19 Feb 2025 21:16:22 GMT, Matias Saavedra Silva <matsaave at openjdk.org> wrote:

> This patch upstreams a commit from mainline which is needed for the implementation of strict fields.
> Originally reviewed-by: coleenp, dholmes

lgtm

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Marked as reviewed by heidinga (no project role).

PR Review: https://git.openjdk.org/valhalla/pull/1371#pullrequestreview-2628020256