[GHC] #10528: compile time performance regression with OverloadedStrings and Text

[GHC]

#10528: compile time performance regression with OverloadedStrings and Text
-------------------------------------+-------------------------------------
        Reporter:  jakewheat         |                   Owner:  bgamari
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.10.3
       Component:  Compiler          |                 Version:  7.10.2-rc2
      Resolution:                    |                Keywords:
Operating System:  Linux             |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by bgamari):

 Thanks to the wonders of `git bisect run` I was able to determine the
 first bad commit (on the `ghc-7.10` branch) to be
 8af219adb914b292d0f8c737fe0a1e3f7fb19cf3, "Fix a huge space leak in the
 mighty Simplifier".

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10528#comment:12>
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