#13981: Family instance consistency checks happens too early when hs-boot defined type occurs on LHS -------------------------------------+------------------------------------- Reporter: ezyang | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.2.1-rc2 checker) | Resolution: | Keywords: hs-boot Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"fdb6a5bfd545094782fb539951b561ac2467443d/ghc" fdb6a5b/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="fdb6a5bfd545094782fb539951b561ac2467443d" Make IfaceAxiom typechecking lazier. Fixes #13803, but adds a note about a yet to be fixed #13981. Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu> Test Plan: validate Reviewers: bgamari, austin Reviewed By: bgamari Subscribers: simonpj, rwbarton, thomie GHC Trac Issues: #13803 Differential Revision: https://phabricator.haskell.org/D3742 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13981#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler