Auto merge of #1704 - JustAPerson:doc_codegen_units, r=alexcrichton
authorbors <bors@rust-lang.org>
Thu, 11 Jun 2015 16:41:56 +0000 (16:41 +0000)
committerbors <bors@rust-lang.org>
Thu, 11 Jun 2015 16:41:56 +0000 (16:41 +0000)
Closes #1691


Trivial merge