hg: jdk9/dev/langtools: 2 new changesets

[lana.steuck at oracle.com]

Changeset: 6e680ff5969e
Author:    lana
Date:      2015-10-05 20:25 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/6e680ff5969e

Added tag jdk9-b84 for changeset e3445ccab58f

! .hgtags

Changeset: 6d1efeaa04f2
Author:    lana
Date:      2015-10-06 08:43 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/6d1efeaa04f2

Merge