hg: jdk/jdk: 8157372: C2: Node::cmp() should return bool

[jcbeyler at google.com]

Changeset: a4d19817609c
Author:    jcbeyler
Date:      2019-03-28 11:06 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/a4d19817609c

8157372: C2: Node::cmp() should return bool
Summary: The method Node::cmp() should return a boolean
Reviewed-by: vlivanov, kvn
Contributed-by: dthomson at google.com

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.hpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp
! src/hotspot/share/opto/callnode.cpp
! src/hotspot/share/opto/callnode.hpp
! src/hotspot/share/opto/castnode.cpp
! src/hotspot/share/opto/castnode.hpp
! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/cfgnode.hpp
! src/hotspot/share/opto/locknode.cpp
! src/hotspot/share/opto/locknode.hpp
! src/hotspot/share/opto/machnode.cpp
! src/hotspot/share/opto/machnode.hpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp
! src/hotspot/share/opto/multnode.cpp
! src/hotspot/share/opto/multnode.hpp
! src/hotspot/share/opto/node.cpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/opto/opaquenode.cpp
! src/hotspot/share/opto/opaquenode.hpp
! src/hotspot/share/opto/subnode.cpp
! src/hotspot/share/opto/subnode.hpp