BUG: faceZone: checkAddressing gets called when mesh.nFaces not set yet.

src/OpenFOAM/meshes/polyMesh/zones/faceZone/faceZone.C

@@ -174,14 +174,17 @@ void Foam::faceZone::checkAddressing() const
 
     const labelList& mf = *this;
 
+    // Note: nFaces, nCells might not be set yet on mesh so use owner size
+    const label nFaces = zoneMesh().mesh().faceOwner().size();
+
     bool hasWarned = false;
     forAll(mf, i)
     {
-        if (!hasWarned && (mf[i] < 0 || mf[i] >= zoneMesh().mesh().nFaces()))
+        if (!hasWarned && (mf[i] < 0 || mf[i] >= nFaces))
         {
             WarningIn("void Foam::faceZone::checkAddressing() const")
                 << "Illegal face index " << mf[i] << " outside range 0.."
-                << zoneMesh().mesh().nFaces()-1 << endl;
+                << nFaces-1 << endl;
             hasWarned = true;
         }
     }