Integrated: 8319820: Use unnamed variables in the FFM implementation

[Per Minborg]

On Fri, 10 Nov 2023 07:19:42 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> This PR proposes to use unnamed variables now that they have become available in Java.
> 
> There is also a cosmetic cleanup making a switch rake smaller and where variables are pre-calculated rather than spreading expressions around.

This pull request has now been integrated.

Changeset: b41b00a4
Author:    Per Minborg <pminborg at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/b41b00a41c443f8a6c0c7023aab6b95745c57c23
Stats:     36 lines in 4 files changed: 2 ins; 11 del; 23 mod

8319820: Use unnamed variables in the FFM implementation

Reviewed-by: mcimadamore

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PR: https://git.openjdk.org/jdk/pull/16594