hg: jdk10/hs: 8187822: C2 conditonal move optimization might create broken graph

[vladimir.kozlov at oracle.com]

Changeset: b3fd664e5af2
Author:    roland
Date:      2017-09-27 16:17 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/rev/b3fd664e5af2

8187822: C2 conditonal move optimization might create broken graph
Reviewed-by: kvn

! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestCMovSplitThruPhi.java