[GHC] #7192: Bug in -fregs-graph with -fnew-codegen

[GHC]

#7192: Bug in -fregs-graph with -fnew-codegen
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              Reporter:  simonmar    |            Owner:  benl
                  Type:  bug         |           Status:  closed
              Priority:  highest     |        Milestone:  7.8.1
             Component:  Compiler    |          Version:  7.7
            Resolution:  fixed       |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:
             Test Case:              |
              Blocking:  4258        |
Differential Revisions:              |
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Comment (by jstolarek):

 This is marked as fixed, but the `-fregs-graph` flag is still disabled for
 `-O` and `-O2`. Can I re-enabled it?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7192#comment:16>
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