RFR: 8322649: Improve class initialization barrier in TemplateTable::_new for S390

[Martin Doerr]

On Thu, 18 Jan 2024 09:49:37 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> s390 Port implementation for https://github.com/openjdk/jdk/pull/17006, 
> 
> Testing: 
> Build: fastdebug + release 
> Test: Tier1 {fastdebug}

LGTM.

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17481#pullrequestreview-1841424805