[jdk21u] RFR: 8314024: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work due to bad immediate dominator info [v2]

[Tobias Hartmann]

On Fri, 1 Sep 2023 09:41:22 GMT, Roman Marchenko <rmarchenko at openjdk.org> wrote:

>> Clean backport.
>> Tests in compiler/loopopts are passed.
>
> Roman Marchenko has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Empty commit to trigger tests

Marked as reviewed by thartmann (Reviewer).

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PR Review: https://git.openjdk.org/jdk21u/pull/124#pullrequestreview-1609480480