hg: jdk8u/hs-dev/hotspot: 8042786: Proper fix for 8032566

[vladimir.kozlov at oracle.com]

Changeset: 968a17f18337
Author:    kvn
Date:      2014-05-16 12:05 -0700
URL:       http://hg.openjdk.java.net/jdk8u/hs-dev/hotspot/rev/968a17f18337

8042786: Proper fix for 8032566
Summary: Check for overflow cases in range checks and collapse it if we can.
Reviewed-by: jrose, iveresov

! src/share/vm/opto/c2_globals.hpp
! src/share/vm/opto/callGenerator.cpp
! src/share/vm/opto/doCall.cpp
! src/share/vm/opto/ifnode.cpp
! src/share/vm/opto/phaseX.cpp
! src/share/vm/opto/subnode.cpp
! src/share/vm/opto/subnode.hpp