hg: jdk9/sandbox/langtools: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 47206f242e0a
Author:    lana
Date:      2016-03-10 09:28 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/47206f242e0a

Added tag jdk-9+109 for changeset f5991c73ed73

! .hgtags

Changeset: b2a8c7611686
Author:    lana
Date:      2016-03-10 09:51 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/b2a8c7611686

Merge

- test/tools/javac/TestIndyStringConcat.java