hg: jdk9/sandbox/hotspot: 8179882: C2: Stale control info after cast node elimination during loop optimization pass

[chris.hegarty at oracle.com]

Changeset: e939acda146e
Author:    vlivanov
Date:      2017-05-30 21:35 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/e939acda146e

8179882: C2: Stale control info after cast node elimination during loop optimization pass
Reviewed-by: kvn, roland

! src/share/vm/opto/loopnode.cpp
! src/share/vm/opto/loopopts.cpp