hg: jdk/jdk: 8227559: JFR: Slow dump with path-to-gc-roots=true

[erik.gahlin at oracle.com]

Changeset: f63f09d7d39e
Author:    egahlin
Date:      2020-05-22 16:55 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/f63f09d7d39e

8227559: JFR: Slow dump with path-to-gc-roots=true
Reviewed-by: mgronlun

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