RFR: 8308855: ARM32: TestBooleanVector crashes after 8300257

[Tobias Hartmann]

On Fri, 16 Jun 2023 07:09:18 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> In JDK-8300257, I removed by mistake some logic that's required to
> compute the loop alignment. This change puts it back.

Looks good.

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14508#pullrequestreview-1485500509