Pavel Yaskevich b487b6956b [ConstraintSystem] Delay inference until let's clear that type variable attempt is successful ...

Currently bindings where inferred on every `bindTypeVariable` call,
but that's wasteful because not all binds are always correct. To
avoid unnecessary inference traffic let's wait until re-activated
constraints are simplified and notify binding inference about new
fixed type only if all of them are successful.

2021-03-01 10:52:29 -08:00

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