RFR: 8273684: Unnecessary Stack usage

[Andrey Turbanov]

On Wed, 15 Sep 2021 17:03:43 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> SA doesn't doesn't run any code on the target.
>
> I wonder if you are exporting CLASSPATH and that is causing `jhsdb` to pick up the wrong SA implementation.

Rechecked again.
Now without involving IDEA. Just started small java program and then attached.
Then checkouted revision before my commits (a9188f237ec) and rebuild and repeated.
![изображение](https://user-images.githubusercontent.com/741251/133488878-fa93b973-5dba-4aa6-95bc-07edb177b3fc.png)

[with_fixes_java_vmstructsdump.txt](https://github.com/openjdk/jdk/files/7172443/with_fixes_java_vmstructsdump.txt)
[without_fixes_java_vmstructsdump.txt](https://github.com/openjdk/jdk/files/7172444/without_fixes_java_vmstructsdump.txt)

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PR: https://git.openjdk.java.net/jdk/pull/5294