Doug Gregor fcfd4c8a8c [Type checker] Introduce a request to evaluate “where” clause requirements. ...

Introduce a new form of request that produces the ith Requirement of the
where clause of a given entity, which could be a protocol, associated type,
or anything with generic parameters. The requirement can be evaluated
at any type resolution stage; the “interface” type stage will be cached
in the existing RequirementReprs.

Fixes SR-8119 / rdar://problem/41498944.

2018-08-23 09:25:58 -07:00

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