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Simon Peyton Jones authored
* Instead of Untouchables being a [Unique], it is simply an Int indicating the depth of nesting. This works fine now that floatEqualities is promoting the floated unification variables to the outer level * Remove the inert_tv_eqs (InScopeSet) from InertCans. It wasn't being used. See Note [Shadowing in a constraint] in TcRnTypes * Rename inert_frozen to inert_insols * Some simple refactoring in TcErrors.reportFlatsAndInsols TcInteract.kickOutRewritable TsSimplify.floatEqualities
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