#7969: -ddump-minimal-imports should preserve imports required to implement standalone derived instances -----------------------------+---------------------------------------------- Reporter: dsf | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.6.2 | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Blockedby: Blocking: | Related: -----------------------------+---------------------------------------------- If a module contains a "deriving instance Show Foo" declaration, the import of Foo's constructors needs to be preserved for the module to compile. -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7969 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler