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Ryan Scott authored
Summary: Before, we were using `isLiftedTypeKind` in `reifyType` before checking if a type was `Constraint`. But as it turns out, `isLiftedTypeKind` treats `Constraint` the same as `Type`, so every occurrence of `Constraint` would be reified as `Type`! To make things worse, the documentation for `isLiftedTypeKind` stated that it treats `Constraint` //differently// from `Type`, which simply isn't true. This revises the documentation for `isLiftedTypeKind` to reflect reality, and defers the `isLiftedTypeKind` check in `reifyType` so that it does not accidentally swallow `Constraint`. Test Plan: make test TEST=T14869 Reviewers: goldfire, bgamari Reviewed By: goldfire Subscribers: rwbarton, thomie, carter GHC Trac Issues: #14869 Differential Revision: https://phabricator.haskell.org/D4474
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