hg: jdk/sandbox: optimizations for old object sample metadata

[markus.gronlund at oracle.com]

Changeset: 9c150f2b1fea
Author:    mgronlun
Date:      2019-08-29 12:53 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9c150f2b1fea

optimizations for old object sample metadata

! src/hotspot/share/jfr/leakprofiler/checkpoint/objectSampleCheckpoint.cpp
! src/hotspot/share/jfr/leakprofiler/checkpoint/objectSampleCheckpoint.hpp
! src/hotspot/share/jfr/leakprofiler/sampling/objectSample.hpp
! src/hotspot/share/jfr/leakprofiler/sampling/objectSampler.cpp
! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.hpp
! src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeManager.cpp
! src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeManager.hpp
! src/hotspot/share/jfr/recorder/service/jfrRecorderService.cpp
! src/hotspot/share/jfr/recorder/stacktrace/jfrStackTrace.hpp
! src/hotspot/share/jfr/recorder/stacktrace/jfrStackTraceRepository.cpp
! src/hotspot/share/jfr/recorder/stacktrace/jfrStackTraceRepository.hpp