rnIdInfo (HsArity arity) = returnRn (HsArity arity)
rnIdInfo (HsUpdate update) = returnRn (HsUpdate update)
rnIdInfo (HsNoCafRefs) = returnRn (HsNoCafRefs)
+rnIdInfo (HsCprInfo cpr_info) = returnRn (HsCprInfo cpr_info)
rnIdInfo (HsSpecialise tyvars tys expr)
= bindTyVarsRn doc tyvars $ \ tyvars' ->
rnCoreExpr expr `thenRn` \ expr' ->