hg: shenandoah/jdk9/hotspot: Fix (over) optimization for cmp-objects.

[roman at kennke.org]

Changeset: 25b5aa4868df
Author:    rkennke
Date:      2017-01-16 10:33 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/25b5aa4868df

Fix (over) optimization for cmp-objects.

! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/subnode.cpp