#14253: Pattern match checker mistakenly concludes pattern match on pattern synonym is unreachable -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.4.1 Component: Compiler | Version: 8.2.1 Resolution: | Keywords: | PatternSynonyms, | PatternMatchWarnings Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: #11984, #14098 | Differential Rev(s): Phab:D4005 Wiki Page: | -------------------------------------+------------------------------------- Changes (by dfeuer): * differential: => Phab:D4005 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14253#comment:14 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler