[GHC] #2600: Bind type variables in RULES

[GHC]

#2600: Bind type variables in RULES
------------------------------+---------------------------------------------
  Reporter:  simonpj          |          Owner:  simonpj         
      Type:  feature request  |         Status:  new             
  Priority:  normal           |      Milestone:  6.12 branch     
 Component:  Compiler         |        Version:  6.8.3           
Resolution:                   |       Keywords:                  
Difficulty:  Unknown          |             Os:  Unknown/Multiple
  Testcase:                   |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown     |  
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Changes (by simonpj):

  * failure:  => None/Unknown

Comment:

 See also #2110

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2600#comment:8>
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