hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 05a408cbd945
Author:    coleenp
Date:      2019-05-28 06:42 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/05a408cbd945

8220688: [TESTBUG] runtime/NMT/MallocStressTest.java timed out
Summary: reduce number of threads and iterate rather than sleep.
Reviewed-by: zgu, dholmes

! test/hotspot/jtreg/runtime/NMT/MallocStressTest.java

Changeset: d58e1a447d2b
Author:    mgronlun
Date:      2019-05-28 13:28 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d58e1a447d2b

8221121: applications/microbenchmarks are encountering crashes in tier5
Reviewed-by: egahlin, dholmes

! src/hotspot/share/jfr/recorder/storage/jfrBuffer.cpp
! src/hotspot/share/jfr/recorder/storage/jfrBuffer.hpp
! src/hotspot/share/jfr/recorder/storage/jfrStorage.cpp