Integrated: 8261804: Remove field _processing_is_mt, calculate it instead

[Leo Korinth]

On Wed, 24 Feb 2021 11:59:48 GMT, Leo Korinth <lkorinth at openjdk.org> wrote:

> In the reference processor, remove _processing_is_mt. Instead calculate its value in its accessor, processing_is_mt().
> 
> This change will remove some state, make RefProcMTDegreeAdjuster a bit simpler and make it much easier to derive when processing is indeed multi threaded.

This pull request has now been integrated.

Changeset: 03d888f4
Author:    Leo Korinth <lkorinth at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/03d888f4
Stats:     45 lines in 5 files changed: 6 ins; 17 del; 22 mod

8261804: Remove field _processing_is_mt, calculate it instead

Reviewed-by: ayang, kbarrett, tschatzl

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PR: https://git.openjdk.java.net/jdk/pull/2704