RFR: 8253040 : Remove unused Matcher::regnum_to_fpu_offset()

[Vladimir Ivanov]

On Tue, 15 Sep 2020 19:10:29 GMT, John Tortugo <github.com+2249648+JohnTortugo at openjdk.org> wrote:

> Relates to: https://bugs.openjdk.java.net/browse/JDK-8253040
> Tested on: x86_64 - Linux - Tier1
> 
> Remove unused method `Matcher::regnum_to_fpu_offset()` from source base.

Looks good.

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Marked as reviewed by vlivanov (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/194