RFR: 8343137: C2: VerifyLoopOptimizations fails with "Was reachable in only one"

[Christian Hagedorn]

On Mon, 28 Oct 2024 12:41:02 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

> [JDK-8342043](https://bugs.openjdk.org/browse/JDK-8342043) introduced a new usage of `igvn.intcon()` but missed to call `set_ctrl()`. This simple patch fixes this.
> 
> While working on this, I've noticed that a few Assertion Predicates tests ended up in the `predicates` directory while they would have better been placed into `predicates/assertion`. It's probably not worth to file a separate issue just for that, so I've squeezed this trivial move into this fix. Note that `AssertionPredicateDoesntConstantFold` does not define a package and thus does not need an update to the command line.
> 
> Thanks,
> Christian

Thanks Vladimir for your review!

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PR Comment: https://git.openjdk.org/jdk/pull/21739#issuecomment-2443459675