Commit e9dfb6e5 authored by Committed by Ben Gamari
Improve the error messages for static forms.
Now the message explains why closed variables are not closed when encountered in the body of (static ...). This required adding to the local environment the free variables of the local bindings in scope. Thus we can analyze and explain why a variable is not closed when encountered. Test Plan: ./validate Reviewers: austin, simonpj, bgamari Reviewed By: bgamari Subscribers: mboes, thomie Differential Revision: https://phabricator.haskell.org/D2167 GHC Trac Issues: #12003
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