hg: jdk9/hs-comp/hotspot: 8066103: C2's range check smearing allows out of bound array accesses

[roland.westrelin at oracle.com]

Changeset: 287f46592168
Author:    roland
Date:      2014-12-09 18:49 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/287f46592168

8066103: C2's range check smearing allows out of bound array accesses
Summary: range check smearing uncorrectly adjust first range check in a list of range checks to cover all of them
Reviewed-by: jrose, kvn, iveresov

! src/share/vm/opto/ifnode.cpp
+ test/compiler/rangechecks/TestRangeCheckSmearing.java