Integrated: JDK-8293978: Duplicate simple loop back-edge will crash the vm

[王超]

On Mon, 19 Sep 2022 03:30:15 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">

This pull request has now been integrated.

Changeset: cb72f809
Author:    casparcwang <casparcwang at tencent.com>
Committer: Jie Fu <jiefu at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/cb72f80925965c73e32c44ce3196866272306d7f
Stats:     67 lines in 2 files changed: 66 ins; 0 del; 1 mod

8293978: Duplicate simple loop back-edge will crash the vm

Reviewed-by: roland, chagedorn

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