git: openjdk/jdk: 8257793: Shenandoah: SATB barrier should only filter out already strongly marked oops

[Zhengyu Gu]

Changeset: ecd7e476
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2020-12-07 13:18:02 +0000
URL:       https://git.openjdk.java.net/jdk/commit/ecd7e476

8257793: Shenandoah: SATB barrier should only filter out already strongly marked oops

Reviewed-by: shade, rkennke

! src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp