[GHC] #7504: hackage vector package yields ghc bug on raspberry pi

[GHC]

#7504: hackage vector package yields ghc bug on raspberry pi
-------------------------+--------------------------------------------------
Reporter:  plaeremans    |          Owner:                     
    Type:  bug           |         Status:  new                
Priority:  normal        |      Component:  Compiler           
 Version:  7.4.1         |       Keywords:  raspberry pi debian
      Os:  Linux         |   Architecture:  arm                
 Failure:  None/Unknown  |      Blockedby:                     
Blocking:                |        Related:                     
-------------------------+--------------------------------------------------
 See output below,


 {{{
 pieter at raspberrypi ~ $ cabal install vector
 Resolving dependencies...
 Configuring vector-0.10.0.1...
 Building vector-0.10.0.1...
 Preprocessing library vector-0.10.0.1...
 [ 1 of 19] Compiling Data.Vector.Storable.Internal (
 Data/Vector/Storable/Internal.hs,
 dist/build/Data/Vector/Storable/Internal.o )
 [ 2 of 19] Compiling Data.Vector.Fusion.Util ( Data/Vector/Fusion/Util.hs,
 dist/build/Data/Vector/Fusion/Util.o )
 [ 3 of 19] Compiling Data.Vector.Fusion.Stream.Size (
 Data/Vector/Fusion/Stream/Size.hs,
 dist/build/Data/Vector/Fusion/Stream/Size.o )

 Data/Vector/Fusion/Stream/Size.hs:25:10:
     Warning: No explicit method nor default method for `*'
     In the instance declaration for `Num Size'

 Data/Vector/Fusion/Stream/Size.hs:25:10:
     Warning: No explicit method nor default method for `abs'
     In the instance declaration for `Num Size'

 Data/Vector/Fusion/Stream/Size.hs:25:10:
     Warning: No explicit method nor default method for `signum'
     In the instance declaration for `Num Size'
 [ 4 of 19] Compiling Data.Vector.Internal.Check (
 Data/Vector/Internal/Check.hs, dist/build/Data/Vector/Internal/Check.o )
 [ 5 of 19] Compiling Data.Vector.Fusion.Stream.Monadic (
 Data/Vector/Fusion/Stream/Monadic.hs,
 dist/build/Data/Vector/Fusion/Stream/Monadic.o )
 ghc: panic! (the 'impossible' happened)
   (GHC version 7.4.1 for arm-unknown-linux):
         Cant do annotations without GHCi
     {Data/Vector/Fusion/Stream/Monadic.hs:104:19-33}
     base:GHC.Exts.ForceSpecConstr{d ra42}

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

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7504>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler