9eb12ad303
Introduce --error-on-bad-override flag and use it when generating snapshots. Fix signature checking when patching methods. Fix errors in patch files. Fix receiver type of constructors. Fix finalization of mixin application typedefs. Update tests and status files. R=asiva@google.com Review URL: https://codereview.chromium.org//22685007 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26027 260f80e4-7a28-3924-810f-c04153c831b5