Pavel Yaskevich 62b2da803c [ConstraintSystem] Improve @escaping parameter diagnostics ...

Detect difference in escapiness while matching function types
in the solver and record a fix that suggests to add @escaping
attribute where appropriate.

Also emit a tailored diagnostic when non-escaping parameter
type is used as a type of a generic parameter.

2019-05-02 00:40:30 -07:00

1.7 KiB

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