Hint Rewrite loop1_ret_assert_normal: ret_assert.

Lemma eval_make_args_other:
forall {cs: compspecs}  i j fsig t0 t t' tl (e: expr) el,
i<>j ->
`(eval_id i) (make_args' ((j,t)::fsig, t0) (eval_exprlist (t'::tl) (e::el))) =
`(eval_id i) (make_args' (fsig, t0) (eval_exprlist tl el)).