[GHC] #9807: Only test for bug #9439 when llvm is installed

[GHC]

#9807: Only test for bug #9439 when llvm is installed
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              Reporter:  ihmccreery  |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  low         |          Version:  7.8.3
             Component:  Build       |         Keywords:
  System                             |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:
       Type of failure:  Other       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D500   |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"146dd138e2c3b4ec9b211dcbcedf752aeb79d3d1/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="146dd138e2c3b4ec9b211dcbcedf752aeb79d3d1"
 Only test for bug #9439 when llvm is installed

 Reviewers: bgamari, austin

 Reviewed By: austin

 Subscribers: thomie, carter

 Differential Revision: https://phabricator.haskell.org/D500

 GHC Trac Issues: #9807
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9807#comment:2>
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