hg: jdk8u/jdk8u-dev/hotspot: 8175345: Reported null pointer dereference defect groups

[tobias.hartmann at oracle.com]

Changeset: 09d0d56ca735
Author:    rraghavan
Date:      2017-06-01 23:19 -0700
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/09d0d56ca735

8175345: Reported null pointer dereference defect groups
Summary: Added required explicit NULL checks
Reviewed-by: thartmann, kvn

! src/share/vm/opto/callnode.cpp
! src/share/vm/opto/ifnode.cpp
! src/share/vm/opto/loopTransform.cpp
! src/share/vm/opto/stringopts.cpp