[GHC] #9961: compile-time performance regression compiling genprimcode

[GHC]

#9961: compile-time performance regression compiling genprimcode
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        Reporter:  hvr               |                   Owner:  simonpj
            Type:  bug               |                  Status:  patch
        Priority:  highest           |               Milestone:  7.10.1
       Component:  Compiler          |                 Version:  7.10.1-rc1
      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:
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"55199a97c020761ff4bfdc06da0042e43bede697/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="55199a97c020761ff4bfdc06da0042e43bede697"
 Split stripTicks into expression editing and tick collection

 As with stripTicksTop, this is because we often need the stripped
 expression but not the ticks (at least not right away). This makes a big
 difference for CSE, see #9961.

 Signed-off-by: Austin Seipp <austin at well-typed.com>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9961#comment:18>
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