Bug 67716 [ProblemsView] Trying to sort in Problems View removes all items from view
Configure the problems view to display "selected resource and it children". Open a file with a couple of warnings. Sort by any of the columns in the table. All table items are removed and the view is displaying ZERO hits.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
*/
	int getTotalMarkers() {
		
		
		
		Assert.isTrue(totalMarkers >= currentMarkers.getItemCount());
		return totalMarkers;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.views.markers.internal.TableView#sorterChanged()
	 */
	protected void sorterChanged() {
		refresh();
	}
	private static void examineDelta(IMarkerDelta[] deltas, List changes) {
		for (int idx = 0; idx < deltas.length; idx++) {
			IMarkerDelta delta = deltas[idx];
			int kind = delta.getKind();
			
			if (kind == IResourceDelta.CHANGED) {
				changes.add(deltas[idx].getMarker());
			}
		}
	}
    
    /* (non-Javadoc)
     * @see org.eclipse.ui.part.WorkbenchPart#showBusy(boolean)
     */
    public void showBusy(boolean busy) {
        super.showBusy(busy);