#8016: case expression with mixed use of Num instances cause spurious overlap warning -------------------------------------------------+------------------------- Reporter: bscarlet | Owner: Type: bug | Status: Priority: normal | closed Component: Compiler | Milestone: Resolution: duplicate | Version: 7.6.3 Operating System: Unknown/Multiple | Keywords: case Type of failure: Incorrect warning at | overlap compile-time | Architecture: Test Case: | Unknown/Multiple Blocking: | Difficulty: | Unknown | Blocked By: | Related Tickets: -------------------------------------------------+------------------------- Changes (by monoidal): * status: new => closed * difficulty: => Unknown * resolution: => duplicate Comment: I'm closing as a duplicate of #322. Unfortunately GHC's pattern matching warnings need an overhaul. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8016#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler