[GHC] #7258: Compiling DynFlags is jolly slow

[GHC]

#7258: Compiling DynFlags is jolly slow
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                   Owner:  simonpj
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.6.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by bgamari):

 ticket:9669#comment:13 contains a summary of the performance impact of
 Phab:D1012 and Phab:D1040 on this and potentially-related  ticket #7450.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7258#comment:22>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler