Hello ken2 (cc: golang-dev@googlegroups.com), I'd like you to review this change.
*** Submitted as http://code.google.com/p/go/source/detail?r=ef91d6ddf31b *** gc: implement new len spec, range bug fix, optimization Fixes issue 885. R=ken2 CC=golang-dev http://codereview.appspot.com/1680048
LGTM