patch applied (ghc-6.6/ghc): Allow derived undecidable instances when -fallow-undecidable-instances is on

Simon Peyton Jones simonpj at microsoft.com
Wed Mar 14 09:30:57 EDT 2007


Wed Mar 14 06:28:57 PDT 2007  simonpj at microsoft.com
  * Allow derived undecidable instances when -fallow-undecidable-instances is on
  
  Fixes tcrun032, Trac #1194
  

    M ./compiler/typecheck/TcSimplify.lhs -1 +2



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