hg: jdk8u/jdk8u-dev/hotspot: 8038348: Instance field load is replaced by wrong data Phi

[poonam.bajaj at oracle.com]

Changeset: 88235cdca8d7
Author:    poonam
Date:      2016-10-28 22:36 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/88235cdca8d7

8038348: Instance field load is replaced by wrong data Phi
Summary: Store additional information in PhiNodes corresponding to known instance field values to avoid incorrect reusage.
Reviewed-by: kvn, thartmann

! src/share/vm/opto/cfgnode.hpp
! src/share/vm/opto/macro.cpp
! src/share/vm/opto/memnode.cpp
! src/share/vm/opto/phaseX.cpp
! src/share/vm/opto/type.hpp