RFR: 8267265: Use new IR Test Framework to create tests for C2 Ideal transformations [v3]

[Christian Hagedorn]

On Fri, 18 Feb 2022 13:58:12 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

> I'll submit another round of testing over the weekend.

hs-tier1-3 looked good!

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PR: https://git.openjdk.java.net/jdk/pull/7434