Pavel Yaskevich 9550d10037 [Diagnostics] Add a diagnostic for single parameter tuple splat ...

Diagnose situation when a single "tuple" parameter is given N arguments e.g.

```swift
func foo<T>(_ x: (T, Bool)) {}
foo(1, false) // foo exptects a single argument of tuple type `(1, false)`
```

2019-07-16 11:06:42 -07:00

104 KiB

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