RFR: 8300256: C2: vectorization is sometimes skipped on loops where it would succeed [v2]

[Roland Westrelin]

On Thu, 26 Jan 2023 08:47:01 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> Looks good to me. Maybe add a `@bug 8300256` to the test.

Thanks for the review. Yes, I will do that.

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PR: https://git.openjdk.org/jdk/pull/12116