#8749: Pattern synonyms crash GHCi -------------------------------------+------------------------------------ Reporter: monoidal | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.7 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: 8757 Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by Dr. ERDI Gergo <gergo@…>): In [changeset:"e0a55415545074bc7a757462624079f54f7785e2/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="e0a55415545074bc7a757462624079f54f7785e2" Issue an error for pattern synonyms defined in a local scope (#8757) This also fixes the internal crash when using pattern synonyms in GHCi (#8749) }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8749#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler