Integrated: JDK-8301460: Clean up LambdaForm to reference BasicType enums directly

[Mandy Chung]

On Mon, 13 Feb 2023 22:05:15 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> `LambdaForm` declares int constants for `BasicType::ordinal` to workaround JDK-8161245.   Now these int constants are no longer needed.    This removes these int constants and reference `BasicType` enums directly.

This pull request has now been integrated.

Changeset: 50dcc2ae
Author:    Mandy Chung <mchung at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/50dcc2aec5b16c0826e27d58e49a7f55a5f5ad38
Stats:     25 lines in 4 files changed: 1 ins; 10 del; 14 mod

8301460: Clean up LambdaForm to reference BasicType enums directly

Reviewed-by: jvernee

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PR: https://git.openjdk.org/jdk/pull/12546