re-add a TODO that has not been solved

3477ed59 · Ralf Jung · 6f23f44e · 3477ed59
Commit 3477ed59 authored Feb 24, 2016 by Ralf Jung
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barrier/barrier.v barrier/barrier.v +3 -1

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--- a/barrier/barrier.v
+++ b/barrier/barrier.v
@@ -180,7 +180,9 @@ Section proof.
    (∃ γ, barrier_ctx γ l P ★ sts_ownS γ low_states {[ Send ]})%I.

  Global Instance send_ne n l : Proper (dist n ==> dist n) (send l).
-  Proof. intros P1 P2 HP. rewrite /send. by setoid_rewrite HP. Qed.
+  Proof. (* TODO: This really ought to be doable by just calling a tactic.
+            It is just application of already registered congruence lemmas. *)
+    intros P1 P2 HP. rewrite /send. by setoid_rewrite HP. Qed.
 
  Definition recv (l : loc) (R : iProp) : iProp :=
    (∃ γ P Q i, barrier_ctx γ l P ★ sts_ownS γ (i_states i) {[ Change i ]} ★