git: openjdk/jdk: 8270894: Use acquire semantics in ObjectSynchronizer::read_stable_mark()

[Roman Kennke]

Changeset: f2261903
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2021-07-23 10:42:00 +0000
URL:       https://git.openjdk.java.net/jdk/commit/f22619032df2cf45664f110c71ddf509a5128900

8270894: Use acquire semantics in ObjectSynchronizer::read_stable_mark()

Reviewed-by: dholmes

! src/hotspot/share/oops/oop.hpp
! src/hotspot/share/oops/oop.inline.hpp
! src/hotspot/share/runtime/synchronizer.cpp