[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:  new
        Priority:  normal            |               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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Changes (by simonpj):

 * cc: scpmw@… (added)


Comment:

 '''Peter''', could you look at this please?  `lintAnnots` (whatever that
 is, but it's yours) is taking more than 80% of GHC's allocation!!!

 One thought might be to make it flag-enabled.  (And not `-dcore-lint`,
 because we have that on a lot.)  But another question is: does it ''have''
 to be so expensive?

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9961#comment:10>
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