Implement support for references to named tuple members in the constraint-based type checker. Additionally, resolve references to tuple members via an overload set, so that we can pick up the overload set when applying an unresolved dot syntax expression whose base is a tuple type.
Implement support for references to named tuple members in the
constraint-based type checker. Additionally, resolve references to
tuple members via an overload set, so that we can pick up the overload
set when applying an unresolved dot syntax expression whose base is a
tuple type.


Swift SVN r2919

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