# Pastebin HYEx73HK
<no location info>: error:
    ghc: panic! (the 'impossible' happened)
  (GHC version 8.10.2:
        mergeSATInfo
  Left:SVSVSVSVSVSVSV, Right:NSNSNSNSNSNSSC
  Call stack:
      CallStack (from HasCallStack):
        callStackDoc, called at compiler/utils/Outputable.hs:1179:37 in ghc:Outputable
        pprPanic, called at compiler/simplCore/SAT.hs:152:20 in ghc:SAT

Please report this as a GHC bug:  https://www.haskell.org/ghc/reportabug