RFR: 8267982: Set the node after peephole optimization to be removed [v4]

[SUN Guoyun]

On Thu, 24 Jun 2021 02:44:52 GMT, SUN Guoyun <github.com+40024232+sunny868 at openjdk.org> wrote:

>> Hi all,
>> 
>> Enable peephole can cause SIGSEGV sometimes in OopFlow::build_oop_map(Node*, int, PhaseRegAlloc*, int*)+0x238 , so must set a removed-flags for the peephole-nodes , to avoid be set-live-bit() and cause crash.
>>  Please review this trivial change.
>> 
>> Thanks,
>> Sun Guoyun
>
> SUN Guoyun has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR.

I made a mistake operation . I will fix it right away.

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