[GHC] #4191: Replace -fstrict-dicts with programmer-custom strictness annotations for class contexts

[GHC]

#4191: Replace -fstrict-dicts with programmer-custom strictness annotations for
class contexts
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    Reporter:  LouisWasserman    |        Owner:              
        Type:  feature request   |       Status:  new         
    Priority:  normal            |    Milestone:              
   Component:  Compiler          |      Version:  6.12.3      
    Keywords:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Testcase:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Comment(by simonpj):

 Im afraid I don't get the idea.  Can you give a concrete example?  (Ie
 some Haskell code that generates inefficient Core, and why dicts-strict
 woudl help.)

 Evaluating dictionaries strictly won't change how many dictionaries are
 evaluated, will it?

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4191#comment:4>
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