#8827: Inferring Safe mode with GeneralizedNewtypeDeriving is wrong -------------------------------------+------------------------------------ Reporter: goldfire | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.8.1-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by simonpj): Why does Safe Haskell require that the constructors of `List` should be in scope in module B? Point 3 of `Note [Coercible Instances]` in `TcInteract` doesn't explain. Simon -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8827#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler