[GHC] #5089: validate should bail out early if testsuite not available

[GHC]

#5089: validate should bail out early if testsuite not available
---------------------------------+------------------------------------------
    Reporter:  ezyang            |        Owner:  igloo       
        Type:  bug               |       Status:  new         
    Priority:  normal            |    Milestone:  7.2.1       
   Component:  Test Suite        |      Version:  7.1         
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by igloo):

  * owner:  => igloo
  * milestone:  => 7.2.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5089#comment:2>
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