git: openjdk/mobile: 8242216: ObjectSampler::weak_oops_do() should not trigger barrier

[duke]

Changeset: e53ae5ae
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2020-04-07 10:43:15 +0000
URL:       https://git.openjdk.java.net/mobile/commit/e53ae5ae

8242216: ObjectSampler::weak_oops_do() should not trigger barrier

Reviewed-by: rkennke, eosterlund

! src/hotspot/share/jfr/leakprofiler/sampling/objectSample.cpp
! src/hotspot/share/jfr/leakprofiler/sampling/objectSample.hpp
! src/hotspot/share/jfr/leakprofiler/sampling/objectSampler.cpp