Pavel Yaskevich 22832080e2 [ConstraintSystem] Don't propagate holes through supertype inference ...

Disallow holes to be inferred as supertype bindings  while inferring
bindings from other type variables (based on transitivity of subtype
conversions), otherwise it would be possible to record a hole without
recording associated fix.

Resolves: rdar://problem/64368545

2020-06-18 10:53:50 -07:00

6.7 KiB

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