ghc: panic! (the 'impossible' happened) when building "bitmap-0.0.2"

Output from "cabal install bitmap":

Resolving dependencies...
Configuring bitmap-0.0.2...
Building bitmap-0.0.2...
Failed to install bitmap-0.0.2
Build log ( /Users/yairchu/.cabal/logs/bitmap-0.0.2.log ):
Configuring bitmap-0.0.2...
Building bitmap-0.0.2...
Preprocessing library bitmap-0.0.2...
[ 1 of 10] Compiling Data.Bitmap.Internal ( Data/Bitmap/Internal.hs, dist/build/Data/Bitmap/Internal.o )
[ 2 of 10] Compiling Data.Bitmap.Base ( Data/Bitmap/Base.hs, dist/build/Data/Bitmap/Base.o )
[ 3 of 10] Compiling Data.Bitmap.IO   ( Data/Bitmap/IO.hs, dist/build/Data/Bitmap/IO.o )

Data/Bitmap/IO.hs:1248:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘myPlusPtr’

Data/Bitmap/IO.hs:1249:1: Warning:
    SPECIALISE pragma for non-overloaded function ‘myPlusPtr’
ghc: panic! (the 'impossible' happened)
  (GHC version 7.10.1 for x86_64-apple-darwin):
	Template variable unbound in rewrite rule
  $fPixelComponentFloat3_X2Rc
  [$fPixelComponentFloat3_X2Rc]
  [$fPixelComponentFloat3_X2Rc]
  []
  []

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

cabal: Error: some packages failed to install:
bitmap-0.0.2 failed during the building phase. The exception was:
ExitFailure 1

Reporting this here as suggested by the error message..

Trac metadata

Trac field	Value
Version	7.10.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture