cloneRecVars TopLevel env vs _ _
= return (env, vs) -- Don't clone top level things
cloneRecVars NotTopLevel env@(_,_,subst,_) vs ctxt_lvl dest_lvl
cloneRecVars TopLevel env vs _ _
= return (env, vs) -- Don't clone top level things
cloneRecVars NotTopLevel env@(_,_,subst,_) vs ctxt_lvl dest_lvl