update Iris, fix for _cofinite

opam

@@ -9,6 +9,6 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris_examples"]
 depends: [
-  "coq-iris" { (= "dev.2019-03-05.0.38abc449") | (= "dev") }
+  "coq-iris" { (= "dev.2019-03-06.2.f5d03e25") | (= "dev") }
   "coq-autosubst" { = "dev.coq86" }
 ]

theories/barrier/proof.v

@@ -165,8 +165,8 @@ Proof.
   iIntros (?). iDestruct 1 as (γ P Q i) "(#Hsts & Hγ & #HQ & HQR)".
   iMod (sts_openS (barrier_inv l P) _ _ γ with "[Hγ]")
     as ([p I]) "(% & [Hl Hr] & Hclose)"; eauto.
-  iMod (saved_prop_alloc_strong I) as (i1) "[% #Hi1]".
-  iMod (saved_prop_alloc_strong (I ∪ {[i1]}))
+  iMod (saved_prop_alloc_cofinite I) as (i1) "[% #Hi1]".
+  iMod (saved_prop_alloc_cofinite (I ∪ {[i1]}))
     as (i2) "[Hi2' #Hi2]"; iDestruct "Hi2'" as %Hi2.
   rewrite ->not_elem_of_union, elem_of_singleton in Hi2; destruct Hi2.
   iMod ("Hclose" $! (State p ({[i1; i2]} ∪ I ∖ {[i]}))