RFR: 8258838: Remove JVM option UseStackBanging [v4]

[Vladimir Kozlov]

On Mon, 11 Jan 2021 13:49:19 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

>> Please review this change to remove the JVM develop flag UseStackBanging and always use stack banging.
>> 
>> The change was tested with tiers 1-2 on Linux, Mac OS, and Windows, tiers 3-5 on Linux x64, and cross-builds on PPC64, Linux32, and S390x.
>> 
>> Thanks, Harold
>
> Harold Seigel has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8258838: fix Graal changes

Good.

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Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1988