git: openjdk/jdk: 8275416: G1: remove unnecessary make_referent_alive in precleaning phase

[Albert Mingkun Yang]

Changeset: 4e647aa5
Author:    Albert Mingkun Yang <ayang at openjdk.org>
Date:      2021-10-22 13:01:24 +0000
URL:       https://git.openjdk.java.net/jdk/commit/4e647aa584cf12dae76e81e203ad4f1ebc08c1a2

8275416: G1: remove unnecessary make_referent_alive in precleaning phase

Reviewed-by: tschatzl, sjohanss

! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/shared/referenceProcessor.cpp
! src/hotspot/share/gc/shared/referenceProcessor.hpp