RFR: 8259846: [BACKOUT] JDK-8259278 Optimize Vector API slice and unslice operations

[Paul Sandoz]

On Fri, 15 Jan 2021 15:46:09 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> This reverts commit a6b2162f5400b4596afa5b88219c9cb55dcdb729.

Java changes look good.

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Marked as reviewed by psandoz (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2103