hg: jdk8u/jdk8u-dev/hotspot: 8147645: get_ctrl_no_update() code is wrong

[kevin.walls at oracle.com]

Changeset: c9035b8e388b
Author:    roland
Date:      2016-02-03 10:58 +0100
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/c9035b8e388b

8147645: get_ctrl_no_update() code is wrong
Summary: Array.fill intrinsification code doesn't mark replaced control as dead
Reviewed-by: kvn

! src/share/vm/opto/loopTransform.cpp
! src/share/vm/opto/loopnode.cpp
! src/share/vm/opto/loopnode.hpp
! src/share/vm/opto/split_if.cpp
+ test/compiler/loopopts/TestArraysFillDeadControl.java