hg: jdk/sandbox: Merge utai 8241750

[thomas.stuefe at gmail.com]

Changeset: a3060d563488
Author:    stuefe
Date:      2020-03-30 08:52 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/a3060d563488

Merge utai 8241750

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/jfr/recorder/checkpoint/types/jfrType.cpp