
#13071: GHCi 8.0.1 panic with PatternSynonyms -------------------------------+---------------------------------------- Reporter: taktoa | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: GHCi | Version: 8.0.1 Resolution: | Keywords: PatternSynonyms Operating System: Linux | Architecture: Unknown/Multiple Type of failure: GHCi crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------+---------------------------------------- Comment (by cactus): We can simplify the code even further, and still have it crash GHCi: {{{ {-# LANGUAGE PatternSynonyms #-} data D1 = MkD1 data D2 = MkD2 D1 pattern P1 = MkD1 pattern P2 = MkD2 P1 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13071#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler