RFR: 8271891: mark hotspot runtime/Safepoint tests which ignore external VM flags

[Igor Ignatyev]

On Wed, 4 Aug 2021 18:32:56 GMT, Igor Ignatyev <iignatyev at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that `@requires vm.flagless` to `runtime/Safepoint` tests.
> 
> Thanks,
> -- Igor

Thank you for your review, Coleen.

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PR: https://git.openjdk.java.net/jdk/pull/5000