emptyGroup = HsGroup { hs_tyclds = [], hs_instds = [],
hs_fixds = [], hs_defds = [], hs_fords = [],
- hs_depds = [] ,hs_ruleds = [] }
+ hs_depds = [], hs_ruleds = [],
+ hs_valds = error "emptyGroup hs_valds: Can't happen" }
appendGroups :: HsGroup a -> HsGroup a -> HsGroup a
appendGroups