hg: jdk-updates/jdk11u-dev: 3 new changesets

[shade at redhat.com]

Changeset: 4f787d0086fc
Author:    roland
Date:      2018-08-14 16:54 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/4f787d0086fc

8209420: Track membars for volatile accesses so they can be properly optimized
Reviewed-by: adinn, aph, thartmann

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/share/gc/shared/c2/barrierSetC2.cpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp

Changeset: 4cf59897e14f
Author:    roland
Date:      2018-09-27 17:46 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/4cf59897e14f

8211233: MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better
Reviewed-by: kvn, thartmann

! src/hotspot/share/opto/memnode.cpp

Changeset: 04dd2501a9df
Author:    roland
Date:      2018-12-03 10:51 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/04dd2501a9df

8214857: "bad trailing membar" assert failure at memnode.cpp:3220
Reviewed-by: adinn, thartmann

! src/hotspot/share/opto/memnode.cpp