Bug 64129 Highlight method exit points fail
When the return type is primitive like int or void, this function works well. But if the return type is a class, like Vector, my Eclipse 3M9 just highlights all the occurrences of "Vector" in the file. This function should be smarter.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
* @param forward <code>true</code> if search direction is forward, <code>false</code> if backward
	 */
	public void gotoAnnotation(boolean forward) {
		ITextSelection selection= (ITextSelection) getSelectionProvider().getSelection();
		Position position= new Position(0, 0);
		if (false ) {
			getNextAnnotation(selection.getOffset(), selection.getLength(), forward, position);
			selectAndReveal(position.getOffset(), position.getLength());
		} else  {
			Annotation annotation= getNextAnnotation(selection.getOffset(), selection.getLength(), forward, position);
			setStatusLineErrorMessage(null);
			setStatusLineMessage(null);
			if (annotation != null) {
				updateAnnotationViews(annotation);
				selectAndReveal(position.getOffset(), position.getLength());
				setStatusLineMessage(annotation.getText());
			}
		}
	}
	/**
	 * Returns the lock object for the given annotation model.
	 * 
	 * @param annotationModel the annotation model
	 * @return the annotation model's lock object
	 * @since 3.0
	 */
	private Object getLockObject(IAnnotationModel annotationModel) { 
		if (annotationModel instanceof ISynchronizable)
			return ((ISynchronizable)annotationModel).getLockObject();
		else