#14395: Redefining pattern synonym in GHCi triggers "‘p’ is untouchable" error -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler (Type | Version: 8.2.1 checker) | Keywords: Resolution: invalid | PatternSynonyms Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * resolution: => invalid Comment: I'll be darned—you're absolutely right, I just lucked out with `pattern Bar :: Foo Int` and managed to get `pattern Bar = Nothing` (or really, `f Bar = Nothing`) to compile even in the absence of `PatternSynonyms`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14395#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler