Re: [GHC] #13479: Core Lint issues during slowtest

#13479: Core Lint issues during slowtest -------------------------------------+------------------------------------- Reporter: bgamari | Owner: nomeata Type: bug | Status: patch Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 8.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: #10181 | Differential Rev(s): Phab:D3390 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Joachim Breitner ): In [changeset:"e07211f752b9b98e2bd6957f126bd537d178041a/ghc" e07211f/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="e07211f752b9b98e2bd6957f126bd537d178041a" Zap Call Arity info in the simplifier As #13479 shows, there are corner cases where the simplifier decides to not eta-expand a function as much as its call arity would suggest, but instead transforms the code that the call arity annotation becomes a lie. As the call arity information is only meant to be used by the immediatelly following simplifier run, it makes sense to simply zap the information there. Differential Revision: https://phabricator.haskell.org/D3390 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13479#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler