Mark nonlocal variables as used in parent scopes #822
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In #800, I modified our handling of
StmtKind::Globalto avoid setting a binding in every parent scope. This inadvertently changed the behavior forStmtKind::Nonlocaltoo (I just missed that it was the same pattern branch), causing us to not mark nonlocal variables as used at the defining site in the parent scope.Resolves #820.