hg: jdk9/hs-comp/hotspot: 8076758: new StringBuilder().append(String).toString() should be recognized by OptimizeStringConcat

[tobias.hartmann at oracle.com]

Changeset: 36208147039b
Author:    shade
Date:      2015-09-01 12:57 +0300
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/36208147039b

8076758: new StringBuilder().append(String).toString() should be recognized by OptimizeStringConcat
Reviewed-by: kvn, thartmann

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