patch applied (ghc): Fix Trac #2206: ensure the return type is rigid in a GADT match

[Simon Peyton Jones]

Thu Apr 10 04:15:14 PDT 2008  simonpj at microsoft.com
  * Fix Trac #2206: ensure the return type is rigid in a GADT match
  

    M ./compiler/typecheck/TcPat.lhs -17 +26

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080410111514-1287e-5e83e27dc8ddc93d5167cf2391d0ff6560a0f02a.gz