Integrated: 8275416: G1: remove unnecessary make_referent_alive in precleaning phase

[Albert Mingkun Yang]

On Tue, 19 Oct 2021 11:02:17 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple change of removing marking work in G1 precleaning. Evaluation using a contrived example shows ~20% reduction in precleaning. 
> 
> Test: hotspot_gc

This pull request has now been integrated.

Changeset: 4e647aa5
Author:    Albert Mingkun Yang <ayang at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/4e647aa584cf12dae76e81e203ad4f1ebc08c1a2
Stats:     42 lines in 3 files changed: 2 ins; 26 del; 14 mod

8275416: G1: remove unnecessary make_referent_alive in precleaning phase

Reviewed-by: tschatzl, sjohanss

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PR: https://git.openjdk.java.net/jdk/pull/6003