BUG: snappyHexMesh: debug shrunk mesh possibly not synchronised

src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriverShrink.C

@@ -1605,16 +1605,19 @@ void Foam::autoLayerDriver::shrinkMeshMedialDistance
         Info<< "Writing wanted-displacement mesh (possibly illegal) to "
             << meshRefiner_.timeName() << endl;
         pointField oldPoints(mesh.points());
-        meshMover.movePoints
+        vectorField totalDisp
         (
-            (
-                mesh.points()
-         +      (
-                    meshMover.scale().internalField()
-                  * displacement.internalField()
-                )
-            )()
+            meshMover.scale().internalField()
+          * displacement.internalField()
         );
+        syncTools::syncPointList
+        (
+            mesh,
+            totalDisp,
+            minMagSqrEqOp<point>(),
+            vector(GREAT, GREAT, GREAT)
+        );
+        meshMover.movePoints((mesh.points()+totalDisp)());
 
         // Above move will have changed the instance only on the points (which
         // is correct).