mozilla/rust — pull request #4011 by catamorphism (2012-11-21 01:16:44+00:00)
Title: Introduce a T_err type for type errors

This allows more errors to be non-fatal, as per #1871.

I only went through and started changing span_fatal to span_err in
check.rs. There are probably more errors that could be made
non-fatal.

r? @graydon