aboutsummaryrefslogtreecommitdiff
$ ghc-9.2.2 Main.hs Foo.hs
[1 of 2] Compiling Foo              ( Foo.hs, Foo.o, Foo.dyn_o )
[2 of 2] Compiling Main             ( Main.hs, Main.o, Main.dyn_o )
ghc: panic! (the 'impossible' happened)
  (GHC version 9.2.2:
        refineFromInScope
  InScope {wild_00 $dQuote_a2Jf}
  $tcT
  Call stack:
      CallStack (from HasCallStack):
        callStackDoc, called at compiler/GHC/Utils/Panic.hs:181:37 in ghc:GHC.Utils.Panic
        pprPanic, called at compiler/GHC/Core/Opt/Simplify/Env.hs:706:30 in ghc:GHC.Core.Opt.Simplify.Env

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