Panic using mixing list with parallel arrays incorrectly

ghc: panic! (the 'impossible' happened)
  (GHC version 7.4.1 for i386-unknown-linux):
	DsMonad: uninitialised ds_parr_bi

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

Edited Mar 09, 2019 by Ian Lynagh -

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