e6793f76ee
- Use strong-mode types for more precise tree shaking. - Bail out nicely if dart:mirrors is used. - Run the tree shaker in the VM target. The initial tree-shaking pass could be combined with the type checking pass (inserting implicit down casts) but for now they remain separate. R=kmillikin@google.com Committed: https://github.com/dart-lang/sdk/commit/71efbad90c07bece4010162b77d3b51e79b0a34d Review-Url: https://codereview.chromium.org/2627723003 .