Commits
Chris Lattner committed 97e6a50148e
Start using contextual information from function calls to diagnose issues in their argument. For now we start with some of the most simple cases: single argument calls. This dramatically improves the QoI for error messages in argument lists, typically turning a error+note combo into a single specific error message. Some minor improvements coming (and also generalizing this to n-ary calls), but it is nice that all the infrastructure is starting to come together... Swift SVN r30905