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thomasw authored
Summary: Running `:kind _` in GHCi produced a panic, fix it by extracting the wildcards. Now, `:kind _` produces `_ :: k0`. Unfortunately, a `0` is added after the kind is tidied and I haven't found a way to get rid of it... This does not fix the other panic involving TemplateHaskell mentioned in #9879. Test Plan: new test GHCiWildcardKind should pass Reviewers: austin, simonpj Reviewed By: austin Subscribers: simonpj, carter, thomie, monoidal Differential Revision: https://phabricator.haskell.org/D572 GHC Trac Issues: #9879
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