hg: shenandoah/jdk: Improve C2 no-fwdptr codegen: assume object is forwarded, avoid long immediate

[shade at redhat.com]

Changeset: c6b8918d6ca0
Author:    shade
Date:      2019-05-13 16:30 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/c6b8918d6ca0

Improve C2 no-fwdptr codegen: assume object is forwarded, avoid long immediate

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp