Joe Pamer 1914df72f3 Begin making locators non-optional for constraints. ...

One difficulty in generating reasonable diagnostic data for type check failures has been the fact that many constraints had been synthesized without regard for where they were rooted in the program source. The result of this was that even though we would store failure information for specific constraints, we wouldn't emit it for lack of a source location. By making location data a non-optional component of constraints, we can begin diagnosing type check errors closer to their point of failure.

Swift SVN r18751

2014-06-09 17:49:46 +00:00

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