RFR: 8284361: Updating ASM to 9.3 for JDK 19

Fri Apr 8 16:59:35 UTC 2022

On Fri, 8 Apr 2022 16:44:15 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> We recently updated our ASM version to 9.2 and just this week version 9.3 was announced with support for JDK19 so it makes sense to update to this last version.
>> 
>> Thanks in advance for the reviews,
>> Vicente
>
> Looks okay.   Most of the changes is in javadoc and rename `var` to `varIndex`.  The change in ASMifier looks good.

thanks @mlchung for the review

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PR: https://git.openjdk.java.net/jdk/pull/8135