Integrated: 8282721: HotSpot Style Guide should allow considered use of C++ thread_local

[David Holmes]

On Mon, 7 Mar 2022 06:34:20 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Style guide changes to support JDK-8282469 (PR https://github.com/openjdk/jdk/pull/7719). We no longer prohibit use of C++ `thread_local`, but allow it when there is an essential, and considered, need.
> 
> This is a modification of the Style Guide, so rough consensus among the HotSpot Group members is required to make this change. Only Group members should vote for approval (via the github PR), though reasoned objections or comments from anyone will be considered. A decision on this proposal will not be made before Friday 18-Mar-2022 at 12h00 UTC.
> 
> Since we're piggybacking on github PRs here, please use the PR review process to approve (click on Review Changes > Approve), rather than sending a "vote: yes" email reply that would be normal for a CFV.

This pull request has now been integrated.

Changeset: f3dc0c88
Author:    David Holmes <dholmes at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/f3dc0c88ea00a3745f5f105404e0788a0f616407
Stats:     24 lines in 2 files changed: 8 ins; 0 del; 16 mod

8282721: HotSpot Style Guide should allow considered use of C++ thread_local

Reviewed-by: kbarrett, jrose, dcubed, stuefe, mdoerr, kvn

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PR: https://git.openjdk.java.net/jdk/pull/7720