Allow record wildcards with pattern synonyms which are defined in GHCi

With pattern synonym pattern Point {x, y} = (x, y) we can write

>>> let { x = 1; y = 2 } in Point { x = x, y = y }
(1, 2)

>>> let { x = 1; y = 2 } in Point { x, y }
(1, 2)

but record wildcards ain't workin

>>> let { x = 1; y = 2 } in Point {..}
<interactive>:342:25-36: error:
    Pattern synonym ‘Point’ used as a data constructor

Trac metadata

Trac field	Value
Version	8.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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