patch applied (ghc-7.0/ghc): Simpify constraints from a TH bracket eagerly

[Ian Lynagh]

Wed Feb  9 09:50:03 PST 2011  simonpj at microsoft.com
  * Simpify constraints from a TH bracket eagerly
  
  See Trac #4949, where having a TH bracket implication
  was messing things up.  Better to get rid of it right away.

    M ./compiler/typecheck/TcSplice.lhs -4 +16

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc-7.0/ghc;a=darcs_commitdiff;h=20110209175003-1287e-1df5834349bc3424f9ed652cb82f43f6bfb65a76.gz