Pavel Yaskevich 329ed30b71 [ConstraintSystem] Make sure that read-only keypath is preferred for read-only properties ...

This fixes an oversight related to `ReferenceWritableKeyPath` overloads
of the KeyPath dynamic member lookup. Original check filtered out only
`WritableKeyPath` if the storage is read-only, but it should check for
both `WritableKeyPath` and `ReferenceWritableKeyPath`, otherwise program
is going to crash at run time.

Resolves: rdar://problem/51456614

2019-06-05 17:09:03 -07:00

267 KiB

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