the 'impossible' happened during building PureScript for profiling

Repro steps:

• git clone https://github.com/purescript/purescript
• cd purescript
• git checkout v0.11.2
• stack build --profile

The error was:

[ 23 of 145] Compiling Language.PureScript.Constants ( src/Language/PureScript/Constants.hs, .stack-work/dist/x86_64-linux/Cabal-1.24.2.0/build/Language/PureScript/Constants.p_o )
ghc: panic! (the 'impossible' happened)
  (GHC version 8.0.2 for x86_64-unknown-linux):
        kindPrimRep.go rep_sfuE

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


--  While building package purescript-0.11.2 using:
      /home/harry/.stack/setup-exe-cache/x86_64-linux/Cabal-simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack-work/dist/x86_64-linux/Cabal-1.24.2.0 build lib:purescript exe:purs --ghc-options " -ddump-hi -ddump-to-file"
    Process exited with code: ExitFailure 1

Sorry that this is pretty much the complete opposite of a minimal reproducing example, but I have no clue how to go about isolating the part that's actually causing the problem.

Trac metadata

Trac field	Value
Version	8.0.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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