RFR: 8267982: Set the node after peephole optimization to be removed

[SUN Guoyun]

On Thu, 24 Jun 2021 22:35:53 GMT, Dean Long <dlong at openjdk.org> wrote:

>> @TobiHartmann @vnkozlov can you help me ? I made a mistake to closed this PR, but now I can not re-open this PR.
>> My new commit is  https://github.com/sunny868/jdk/commit/00a73ec58c9102132609765997b47b7f2c409833 .
>
> @sunny868 If you search for "reopen pull request after force push" you can find some helpful suggestions on how to fix this.  From what I read, you need to do a another force push back to the previous PR state before it can be reopened.  If all else fails, try opening a new PR.
> Do we have any github/skara experts who can help with fixing this?

@dean-long Thank you very much for your help ！
@vnkozlov bI had a new modify in buildOopMap.cpp . Please reviews it again,thanks.

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PR: https://git.openjdk.java.net/jdk/pull/4276