RFR: JDK-8293978: Duplicate simple loop back-edge will crash the vm [v3]

[Roland Westrelin]

On Mon, 19 Sep 2022 08:42:40 GMT, 王超 <duke at openjdk.org> wrote:

>> Duplicate back-edge of the following simple loop will make jvm crash.
>> 
>> <img width="458" alt="image" src="https://user-images.githubusercontent.com/25214855/190945327-ebce5342-bede-4fad-b940-088753034fa6.png">
>
> 王超 has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   Move the condition ahead

Looks good to me.

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Marked as reviewed by roland (Reviewer).

PR: https://git.openjdk.org/jdk/pull/10329