hg: jdk8u/jdk8u/hotspot: 6 new changesets

[rob.mckenna at oracle.com]

Changeset: 3e2abbf1320d
Author:    thartmann
Date:      2016-06-20 08:04 +0200
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/3e2abbf1320d

8159244: Partially initialized string object created by C2's string concat optimization may escape
Summary: Emit release barrier after String creation to prevent partially initialized object from escaping.
Reviewed-by: kvn

! src/share/vm/opto/stringopts.cpp
+ test/compiler/stringopts/TestStringObjectInitialization.java

Changeset: 9f2a972df4da
Author:    shshahma
Date:      2016-04-26 23:29 +0530
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/9f2a972df4da

8147026: Convert an assert in ClassLoaderData to a guarantee
Summary: Guarantee is to ensure classloader is a valid oop will help catch the errors at an early stage rather than crashing the JVM later on in the GC
Reviewed-by: coleenp

! src/share/vm/classfile/classLoaderData.inline.hpp

Changeset: 001e0c530e2c
Author:    shshahma
Date:      2016-06-22 13:46 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/001e0c530e2c

8158373: SIGSEGV: Metadata::mark_on_stack
Summary: MetadataOnStackMark must be done before calling free_deallocate_list().
Reviewed-by: coleenp, sspitsyn

! src/share/vm/classfile/classLoaderData.cpp

Changeset: 6021c95f5944
Author:    simonis
Date:      2016-06-14 19:48 +0200
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/6021c95f5944

8158260: PPC64: unaligned Unsafe.getInt can lead to the generation of illegal instructions
Summary: Adjust instruction generation.
Reviewed-by: goetz
Contributed-by: gromero at linux.vnet.ibm.com, horii at jp.ibm.com

! src/cpu/ppc/vm/ppc.ad

Changeset: 4cc88e22a4d0
Author:    bmoloden
Date:      2016-06-24 22:09 +0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/4cc88e22a4d0

8151722: TESTBUG: New test compiler/native/TestDirtyInt.sh should be modified
Summary: Fixed string comparison and indentation
Reviewed-by: kvn

! test/compiler/native/TestDirtyInt.sh

Changeset: f22b5be95347
Author:    robm
Date:      2016-06-25 20:03 +0100
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/f22b5be95347

Merge