RFR: 8265956: JVM crashes when matching LShiftVB Node [v3]

[Wang Huang]

On Sat, 8 May 2021 04:47:42 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> src/hotspot/cpu/x86/x86.ad line 5864:
>> 
>>> 5862:   match(Set dst (LShiftVB src (LShiftCntV shift)));
>>> 5863:   match(Set dst (RShiftVB src (RShiftCntV shift)));
>>> 5864:   match(Set dst (URShiftVB src (RShiftCntV shift)));
>> 
>> Regarding to this issue, it's no need to add these rules here. There is the vector shift rules already.
>
> The same to all other rules added in this file.

> Please update the copyright year of `"vectorIntrinsics.cpp"` to 2021. Thanks!

Thank you. I will change that.

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PR: https://git.openjdk.java.net/jdk/pull/3747