BUG: meshRefinement: decision might not be synchronised in case of geometric testing

src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinementProblemCells.C

@@ -955,6 +955,17 @@ Foam::labelList Foam::meshRefinement::markFacesOnProblemCells
         }
     }
 
+
+    // Because of isCollapsedFace one side can decide not to baffle whereas
+    // the other side does so sync. Baffling is prefered over not baffling.
+    syncTools::syncFaceList
+    (
+        mesh_,
+        facePatch,
+        maxEqOp<label>()
+    );
+
+
     Info<< "markFacesOnProblemCells : marked "
         << returnReduce(nBaffleFaces, sumOp<label>())
         << " additional internal faces to be converted into baffles."