hg: jdk9/hs-comp/hotspot: 8068909: SIGSEGV in c2 compiled code with OptimizeStringConcat

[vladimir.kozlov at oracle.com]

Changeset: 8596a20c8de1
Author:    asiebenborn
Date:      2015-01-16 13:58 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/8596a20c8de1

8068909: SIGSEGV in c2 compiled code with OptimizeStringConcat
Reviewed-by: kvn

! src/share/vm/opto/stringopts.cpp
+ test/compiler/stringopts/TestOptimizeStringConcat.java