RFR: 8278296: Generalize long range check transformation [v5]

[Roland Westrelin]

On Tue, 1 Mar 2022 23:02:10 GMT, John R Rose <jrose at openjdk.org> wrote:

> Attached is another bunch of documentation changes, explaining what's going on in great detail. I think I'm done, actually. I did this in concert with an executable test harness, to catch logic errors.

Thanks for the careful review. I pushed your patch + another commit with a typo and build fixes.
Would you mind marking yourself as a reviewer (using the github UI) if you're done?

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PR: https://git.openjdk.java.net/jdk/pull/6989