8325494: C2: Broken graph after not skipping CastII node anymore for Assertion Predicates after JDK-8309902

[shipilev]

WIP.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8325494 needs maintainer approval

Issue

• JDK-8325494: C2: Broken graph after not skipping CastII node anymore for Assertion Predicates after JDK-8309902 (Bug - P3)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/509/head:pull/509
$ git checkout pull/509

Update a local copy of the PR:
$ git checkout pull/509
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/509/head

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$ git pr checkout 509

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https://git.openjdk.org/jdk21u-dev/pull/509.diff

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[openjdk]

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[openjdk]

This backport pull request has now been updated with issue from the original commit.