failure to build pandoc on Debian armhf

[112 of 131] Compiling Text.Pandoc.Readers.HTML ( src/Text/Pandoc/Readers/HTML.hs, dist-ghc/build/Text/Pandoc/Readers/HTML.p_o )
ghc: panic! (the 'impossible' happened)
  (GHC version 8.2.2 for arm-unknown-linux):
	piResultTy
  Addr#
  String
  Call stack:
      CallStack (from HasCallStack):
        prettyCurrentCallStack, called at compiler/utils/Outputable.hs:1133:58 in ghc:Outputable
        callStackDoc, called at compiler/utils/Outputable.hs:1137:37 in ghc:Outputable
        pprPanic, called at compiler/types/Type.hs:949:35 in ghc:Type

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

/usr/share/cdbs/1/class/hlibrary.mk:147: recipe for target 'build-ghc-stamp' failed

https://buildd.debian.org/status/fetch.php?pkg=pandoc&arch=armhf&ver=2.2.1-1&stamp=1527886652&raw=0

Trac metadata

Trac field	Value
Version	8.2.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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