RFR: 8286967: Unproblemlist compiler/c2/irTests/TestSkeletonPredicates.java and add additional test for JDK-8286638

[Vladimir Kozlov]

On Fri, 20 May 2022 09:47:57 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

> [JDK-8286361](https://bugs.openjdk.java.net/browse/JDK-8286361) could be traced back to the same underlying problem as in [JDK-8286638](https://bugs.openjdk.java.net/browse/JDK-8286638). Pulling in the change fixed the problem.
> 
> This patch unproblemlists the previously failing test and adds a new test for JDK-8286638 (extracted from compiler/c2/irTests/TestSkeletonPredicates.java) that I've used for analyzing JDK-8286361.
> 
> Testing with latest JDK:
> - hs-tier1-4 flags for the new test
> - hs-tier7+8 flags for compiler/c2/irTests/TestSkeletonPredicates.java
> 
> Thanks,
> Christian

Okay.

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Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8806