add ghc-7.6.3 panick program

ghc: panic! (the 'impossible' happened)
  (GHC version 7.6.3 for i386-unknown-linux):
  	cgLookupPanic (probably invalid Core; try -dcore-lint)
    $dHandleLike{v aHa} [lid]
    static binds for:
    local binds for:

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug