RFR: JDK-8258469: Cleanup remaining safefetch test coding

[Thomas Stuefe]

On Fri, 18 Dec 2020 04:23:00 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> JDK-8257828 fixed SafeFetch for non-java-thread situations on all platforms. It also introduced gtests.
>> JDK-8185734 fixed the problem that gtests were running without SEH catcher on Windows, preventing us from testing Windows x86 at least.
>> 
>> Since we have now gtests to test SafeFetch, and since all these issues are fixed, we can remove the related test coding in stubRoutines.cpp.
>> 
>> Testing: manual gtests and GH actions (the Linux x86 error can be ignored, see https://bugs.openjdk.java.net/browse/JDK-8258481).
>
> LGTM!
> 
> Thanks,
> David

Thanks Coleen and David!

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PR: https://git.openjdk.java.net/jdk/pull/1799