Pavel Yaskevich 79b757d3cd [ConstraintSystem] Detect and diagnose mismatches in single parameter function conversions ...

When there is a conversion from e.g. `(A) -> Void` to `(B) -> Void`
matching between `A` and `B` is going to have a special locator which
doesn't end in `TupleElement`, so `repairFailures` has to account
for that and fix it just like regular argument mismatch.

Resolves: rdar://problem/59066040

2020-02-17 16:09:11 -08:00

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