mozilla/rust — pull request #8797 by nikomatsakis (2013-08-27 19:55:50+00:00)
Title: Issue #8625: Assign to `&mut` in borrowed or aliasable location

Fixes for #8625 to prevent assigning to `&mut` in borrowed or aliasable locations. The old code was insufficient in that it failed to catch bizarre cases like `& &mut &mut`.

r? @pnkfelix