Arguments sem_cmp c !t1 !t2 / v1 v2.
(* The following line should not be needed, and was not needed in Coq 8.3, but in Coq 8.4 it seems to be necessary. *)
Hint Resolve (@LiftClassicalSep environ) : typeclass_instances.
Definition func_ptr' f v := func_ptr f v && emp.
Hint Resolve func_ptr_isptr: saturate_local.

Lemma approx_func_ptr': forall (A: Type) fsig0 cc (P Q: A -> environ -> mpred) (v: val) (n: nat),
compcert_rmaps.RML.R.approx n (func_ptr' (NDmk_funspec fsig0 cc A P Q) v) = compcert_rmaps.RML.R.approx n (func_ptr' (NDmk_funspec fsig0 cc A (fun a rho => compcert_rmaps.RML.R.approx n (P a rho)) (fun a rho => compcert_rmaps.RML.R.approx n (Q a rho))) v).