
#7259: Eta expansion of products in System FC -------------------------------------+------------------------------------- Reporter: simonpj | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.1 Resolution: | Keywords: 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 kcsongor): Replying to [comment:24 simonpj]:
This is currently imperilled by #14420.
How, exactly?
#14420 means that one can define a distinguishable member of any kind, bringing back `Any` {{{ data family Any :: k }}} Isn't this what caused the original soundness issue? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7259#comment:25 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler