[GHC] #2984: Vectorized dph code doesn't terminate

[GHC]

#2984: Vectorized dph code doesn't terminate
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Reporter:  fre     |          Owner:                       
    Type:  bug     |         Status:  new                  
Priority:  normal  |      Component:  Data Parallel Haskell
 Version:  6.10.1  |       Severity:  normal               
Keywords:          |       Testcase:                       
      Os:  Linux   |   Architecture:  x86                  
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 The program attached to this ticket doesn't terminate when vectorisation
 is used. It runs fine when vectorisation is not enabled.

 The problem seems to be the use of sumP or mapP with the empty array.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2984>
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