[GHC] #4012: Compilation results are not deterministic

[GHC]

#4012: Compilation results are not deterministic
-------------------------------+--------------------------------------------
  Reporter:  kili              |          Owner:  igloo               
      Type:  bug               |         Status:  new                 
  Priority:  high              |      Milestone:  7.6.2               
 Component:  Compiler          |        Version:  6.12.2              
Resolution:                    |       Keywords:                      
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple    
   Failure:  Other             |     Difficulty:  Difficult (2-5 days)
  Testcase:                    |      Blockedby:                      
  Blocking:                    |        Related:                      
-------------------------------+--------------------------------------------

Comment(by nomeata):

 Sure. But it is desireable, and low hanging fruit that fixes the ABI of
 different code (such as normalizing the interface wrt alpha-renaming) will
 probably make it more robust against odd changes when compiling the same
 code twice.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4012#comment:29>
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