RFR: 8359920: Use names for frame types in stackmaps

[Serguei Spitsyn]

On Wed, 18 Jun 2025 12:13:38 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This uses names for frame types for stackmaps in the verifier and redefinition.
> Tested with tier1-7.

This looks good.
I was also thinking about `frame_type` ranges but no ideas on any improvements.

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Marked as reviewed by sspitsyn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25870#pullrequestreview-2941977212