Re: [GHC] #13780: Nightmarish pretty-printing of equality type in GHC 8.2 error message

#13780: Nightmarish pretty-printing of equality type in GHC 8.2 error message -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: goldfire Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler (Type | Version: 8.2.1-rc2 checker) | Resolution: | Keywords: TypeInType Operating System: Unknown/Multiple | Architecture: Type of failure: Poor/confusing | Unknown/Multiple error message | Test Case: Blocked By: | Blocking: Related Tickets: #13819 | Differential Rev(s): Phab:D3794 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ryan Scott ): In [changeset:"424ecadbb3d06f4d4e0813de670369893e1da2a9/ghc" 424ecadb/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="424ecadbb3d06f4d4e0813de670369893e1da2a9" Add regression tests for #13601, #13780, #13877 Summary: Some recent commits happened to fix other issues: * c2417b87ff59c92fbfa8eceeff2a0d6152b11a47 fixed #13601 and #13780 * 8e15e3d370e9c253ae0dbb330e25b72cb00cdb76 fixed the original program in #13877 Let's add regression tests for each of these to ensure they stay fixed. Test Plan: make test TEST="T13601 T13780a T13780c T13877" Reviewers: goldfire, bgamari, austin Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #13601, #13780, #13877 Differential Revision: https://phabricator.haskell.org/D3794 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13780#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler