| data_or_newtype tycl_hdr constrs deriving
{% do { let {(ctxt, tc, tvs, tparms) = unLoc $2}
; checkTyVars tparms -- no type pattern
- ; return $
- L (comb4 $1 $2 $3 $4)
+ ; return $!
+ sL (comb4 $1 $2 $3 $4)
-- We need the location on tycl_hdr in case
-- constrs and deriving are both empty
(mkTyData (unLoc $1) (ctxt, tc, tvs, Nothing)
deriving
{% do { let {(ctxt, tc, tvs, tparms) = unLoc $2}
; checkTyVars tparms -- can have type pats
- ; return $
- L (comb4 $1 $2 $4 $5)
+ ; return $!
+ sL (comb4 $1 $2 $4 $5)
(mkTyData (unLoc $1) (ctxt, tc, tvs, Nothing)
(unLoc $3) (reverse (unLoc $5)) (unLoc $6)) } }