RFR: 8255150: Add utility methods to check long indexes and ranges [v2]

Fri Nov 6 08:35:17 UTC 2020

On Thu, 5 Nov 2020 23:59:43 GMT, Dean Long <dlong at openjdk.org> wrote:

> C2 changes look good, except for new code block in inline_preconditions_checkIndex could use a comment.

Thanks for the review. I added a comment for this block and some other comments for the rest of this method.

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PR: https://git.openjdk.java.net/jdk/pull/1003