[GHC] #9229: Compiler memory use regression

GHC ghc-devs at haskell.org
Mon Jun 23 08:50:07 UTC 2014


#9229: Compiler memory use regression
-------------------------+-------------------------------------------------
       Reporter:         |             Owner:
  augustss               |            Status:  new
           Type:  bug    |         Milestone:
       Priority:         |           Version:  7.8.2
  normal                 |  Operating System:  Windows
      Component:         |   Type of failure:  Compile-time performance bug
  Compiler               |         Test Case:
       Keywords:         |          Blocking:
   Architecture:         |
  Unknown/Multiple       |
     Difficulty:         |
  Unknown                |
     Blocked By:         |
Related Tickets:         |
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 I have a module which compiles fine with ghc 7.6, but where ghc 7.8.2 runs
 out of memory (32-bit Windows).  Sadly, I cannot supply the source code
 since it's proprietary, so I realize that this bug will be almost
 impossible to fix.  It is possible to compile the module with -O0 and -O1,
 but not -O2.  (This is a very performance critical module so I'd like
 -O2.)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9229>
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