[GHC] #1875: Compiling with -O is 30 times slower than with -Onot

[GHC]

#1875: Compiling with -O is 30 times slower than with -Onot
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 Reporter:  simonpj                       |          Owner:         
     Type:  compile-time performance bug  |         Status:  closed 
 Priority:  normal                        |      Milestone:  6.10.1 
Component:  Compiler                      |        Version:  6.8.1  
 Severity:  normal                        |     Resolution:  fixed  
 Keywords:  performance                   |     Difficulty:  Unknown
 Testcase:                                |   Architecture:  Unknown
       Os:  Unknown                       |  
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Changes (by simonpj):

  * status:  new => closed
  * resolution:  => fixed

Comment:

 Fixed at last
 {{{
 Wed Sep  3 13:02:28 BST 2008  simonpj at microsoft.com
   * Major change in compilation of instance declarations (fix Trac #955,
 #2328)
 }}}
 I'm assuming this is the same as #955, #2328.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1875#comment:5>
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