[GHC] #16243: Improve fregs-graph.

[GHC]

#16243: Improve fregs-graph.
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        Reporter:  AndreasK          |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
  (CodeGen)                          |
      Resolution:                    |             Keywords:  fregs-graph
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #7679             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by AndreasK):

 * related:   => #7679


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16243#comment:1>
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