hg: jdk9/hs-comp/hotspot: 8134739: compiler/loopopts/superword/TestVectorizationWithInvariant crashes in loop opts

[tobias.hartmann at oracle.com]

Changeset: 6d9d273e7f0d
Author:    thartmann
Date:      2015-09-17 08:08 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/6d9d273e7f0d

8134739: compiler/loopopts/superword/TestVectorizationWithInvariant crashes in loop opts
Summary: Bail out of superword optimization if loop was removed (i.e., if zero-trip Opaque1Node was removed).
Reviewed-by: kvn, roland

! src/share/vm/opto/loopnode.hpp
! src/share/vm/opto/superword.cpp