hg: jdk9/hs-comp/hotspot: 8068864: C2 failed: modified node is not on IGVN._worklist

[vladimir.kozlov at oracle.com]

Changeset: f25dbfaa75c2
Author:    kvn
Date:      2015-01-14 17:27 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/f25dbfaa75c2

8068864: C2 failed: modified node is not on IGVN._worklist
Summary: Use igvn.replace_input_of() instead of set_req().
Reviewed-by: iveresov, vlivanov

! src/share/vm/opto/loopTransform.cpp