hg: jdk/jdk15: 3 new changesets

[daniel.daugherty at oracle.com]

Changeset: 15676e1c3bf1
Author:    dcubed
Date:      2020-07-15 16:59 -0400
URL:       https://hg.openjdk.java.net/jdk/jdk15/rev/15676e1c3bf1

8247280: more fencing needed in async deflation for non-TSO machines
Reviewed-by: dholmes, pchilanomate

! src/hotspot/share/runtime/objectMonitor.hpp
! src/hotspot/share/runtime/objectMonitor.inline.hpp
! src/hotspot/share/runtime/synchronizer.cpp

Changeset: 40fcff600a24
Author:    dcubed
Date:      2020-07-15 17:01 -0400
URL:       https://hg.openjdk.java.net/jdk/jdk15/rev/40fcff600a24

8246676: monitor list lock operations need more fencing
Reviewed-by: dholmes, eosterlund, rehn, pchilanomate

! src/hotspot/share/runtime/objectMonitor.hpp
! src/hotspot/share/runtime/objectMonitor.inline.hpp
! src/hotspot/share/runtime/synchronizer.cpp

Changeset: 5f94dc09b761
Author:    dcubed
Date:      2020-07-15 17:08 -0400
URL:       https://hg.openjdk.java.net/jdk/jdk15/rev/5f94dc09b761

Merge