hg: jdk/sandbox: 8238592: JFR: Crash when dumping paths to gc roots on deep heaps

[chris.hegarty at oracle.com]

Changeset: 1f03c68c9bc4
Author:    egahlin
Date:      2020-05-21 04:09 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/1f03c68c9bc4

8238592: JFR: Crash when dumping paths to gc roots on deep heaps
Reviewed-by: mgronlun

! src/hotspot/share/jfr/leakprofiler/chains/dfsClosure.cpp
! src/hotspot/share/jfr/leakprofiler/chains/dfsClosure.hpp
! src/hotspot/share/jfr/leakprofiler/utilities/unifiedOopRef.inline.hpp