Bump std++.

coq-iris.opam

@@ -14,7 +14,7 @@ iris.prelude, iris.algebra, iris.si_logic, iris.bi, iris.proofmode, iris.base_lo
 
 depends: [
   "coq" { (>= "8.11" & < "8.14~") | (= "dev") }
-  "coq-stdpp" { (= "dev.2021-01-20.4.e386a738") | (= "dev") }
+  "coq-stdpp" { (= "2021-01-23.0.1f7d13f3") | (= "dev") }
 ]
 
 build: ["./make-package" "iris" "-j%{jobs}%"]

iris/algebra/big_op.v

@@ -340,7 +340,7 @@ Section gmap.
     { by rewrite omap_empty !big_opM_empty. }
     assert (omap h m !! i = None) by (by rewrite lookup_omap Hmi).
     destruct (h x) as [y|] eqn:Hhx.
-    - by rewrite (omap_insert _ _ _ _ y) // !big_opM_insert // IH Hhx.
+    - by rewrite omap_insert Hhx //= !big_opM_insert // IH Hhx.
     - rewrite omap_insert_None // delete_notin // big_opM_insert //.
       by rewrite Hhx /= left_id.
   Qed.

iris/algebra/gmap.v

@@ -284,7 +284,7 @@ Qed.
 
 Lemma singleton_core (i : K) (x : A) cx :
   pcore x = Some cx → core {[ i := x ]} =@{gmap K A} {[ i := cx ]}.
-Proof. apply omap_singleton. Qed.
+Proof. apply omap_singleton_Some. Qed.
 Lemma singleton_core' (i : K) (x : A) cx :
   pcore x ≡ Some cx → core {[ i := x ]} ≡@{gmap K A} {[ i := cx ]}.
 Proof.