Re: [GHC] #13990: Core Lint error on empty case

#13990: Core Lint error on empty case -------------------------------------+------------------------------------- Reporter: mbieleck | Owner: (none) Type: bug | Status: patch Priority: highest | Milestone: 8.2.3 Component: Compiler | Version: 8.2.1-rc3 Resolution: | Keywords: core-lint | case Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D4160 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"6b52b4c832f888f7741a4ba0fec1fdac10244f6d/ghc" 6b52b4c8/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="6b52b4c832f888f7741a4ba0fec1fdac10244f6d" Remove unreliable Core Lint empty case checks Trac #13990 shows that the Core Lint checks for empty case are unreliable, and very hard to make reliable. The consensus (among simonpj, nomeata, and goldfire) seems to be that they should be removed altogether. Do that. Add test Reviewers: goldfire, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #13990 Differential Revision: https://phabricator.haskell.org/D4161 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13990#comment:17 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler