#14241: Pattern synonyms defined through other pattern synonyms produce `impossible happened` in ghci/runhaskell -------------------------------+--------------------------------------- Reporter: Heimdell | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: duplicate | Keywords: PatternSynonyms Operating System: Linux | Architecture: x86_64 (amd64) Type of failure: GHCi crash | Test Case: Blocked By: | Blocking: Related Tickets: #12007 | Differential Rev(s): Wiki Page: | -------------------------------+--------------------------------------- Changes (by RyanGlScott): * status: new => closed * resolution: => duplicate * related: => #12007 Comment: Thanks for the the bug report. This is a duplicate of #12007, which has been fixed since GHC 8.0.2. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14241#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler