#13135: Typechecker "panic! the 'impossible' happened" -------------------------------------+------------------------------------- Reporter: Saulzar | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: 8.2.1 Component: Compiler (Type | Version: 8.0.2 checker) | Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | dependent/should_fail/T13135 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"e61900c994334c209a9de763993716314abf9f6d/ghc" e61900c9/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="e61900c994334c209a9de763993716314abf9f6d" Add regression test for #13538 Commit 2b64e926a628fb2a3710b0360123ea73331166fe (#13135) ended up fixing #13538 as well. Let's add a regression test so that it stays fixed. Test Plan: make test TEST=T13538 Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #13538 Differential Revision: https://phabricator.haskell.org/D3426 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13135#comment:10> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler