[jdk17] RFR: 8265907: JVM crashes when matching VectorMaskCmp Node

[Wang Huang]

On Thu, 24 Jun 2021 08:35:16 GMT, Wang Huang <whuang at openjdk.org> wrote:

> * fix the issue JDK-8265907
> * all archs might be effected by this bug. I fixed x86 and aarch64.
> * merged from https://github.com/openjdk/jdk/pull/3670

@adinn Can you do me a favor to review this patch? Thank you very much.

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PR: https://git.openjdk.java.net/jdk17/pull/134