Pavel Yaskevich cb545e7202 [ConstraintSystem] Preserve l-valueness of the result after implicit IUO unwrap ...

Detect that result type of the overload choice is l-value and preserve
that information through the forced unwrap operation so it's possible
to load the value implicitly during solution application.

Resolves: rdar://problem/61337704

2020-07-15 13:03:28 -07:00

2.4 KiB

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