hg: jigsaw/jake/langtools: Post merge jdk-9-104 cleanup: re-enable indy string concat

[alan.bateman at oracle.com]

Changeset: 8faa37ff9d85
Author:    alanb
Date:      2016-02-06 13:24 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/langtools/rev/8faa37ff9d85

Post merge jdk-9-104 cleanup: re-enable indy string concat

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java