patch applied (ghc): Fix Trac #3346: tcSimplify for LHS of RULES with type equalities

[Simon Peyton Jones]

Fri Jul 17 08:57:22 PDT 2009  simonpj at microsoft.com
  * Fix Trac #3346: tcSimplify for LHS of RULES with type equalities
  Ignore-this: dfdd0f9a62d78d63276a4d558831099c

    M ./compiler/typecheck/TcSimplify.lhs -2 +12

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090717155722-1287e-8f422b07fc6a5ff0ff96c6ba7e11affac60586a1.gz