Bug 26641 No option to disable "Assignment ... has no effect"
2.1 M3 I am missing an option to disable the compiler warning upon assigning a variable to itself...
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
public void widgetSelected(SelectionEvent e) {
				controlChanged(e.widget);
			}
		};
		
		fTextModifyListener= new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				textChanged((Text) e.widget);
			}
		};
		
		IListAdapter adapter=  new IListAdapter() {
			public void customButtonPressed(DialogField field, int index) {
				doTodoButtonPressed(index);
			}
			public void selectionChanged(DialogField field) {
				fTodoTasksList.enableButton(3, fTodoTasksList.getSelectedElements().size() == 1);
			}
		};
		String[] buttons= new String[] {
			 JavaUIMessages.getString("CompilerConfigurationBlock.markers.tasks.add.button"),
			 JavaUIMessages.getString("CompilerConfigurationBlock.markers.tasks.remove.button"),
			null,
			 JavaUIMessages.getString("CompilerConfigurationBlock.markers.tasks.edit.button"),
		};
		fTodoTasksList= new ListDialogField(adapter, buttons, new TodoTaskLabelProvider());
		fTodoTasksList.setLabelText(JavaUIMessages.getString("CompilerConfigurationBlock.markers.tasks.label"));
		fTodoTasksList.setRemoveButtonIndex(1);
		
		String[] columnsHeaders= new String[] {