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
event.getDocument().addPosition(fRememberedPosition);
				} catch (BadLocationException x) {
					fRememberedPosition= null;
				}
			}
		}
		/*
		 * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
		 */
		public void documentChanged(DocumentEvent event) {
			if (fRememberedPosition != null) {
				if (!fRememberedPosition.isDeleted()) {
					
					event.getDocument().removePosition(fRememberedPosition);
					fActiveRegion= new Region(fRememberedPosition.getOffset(), fRememberedPosition.getLength());
					fRememberedPosition= null;
					
					ISourceViewer viewer= getSourceViewer();
					if (viewer != null) {
						StyledText widget= viewer.getTextWidget();
						if (widget != null && !widget.isDisposed()) {
							widget.getDisplay().asyncExec(new Runnable() {
								public void run() {
									deactivate();
								}
							});
						}
					}
					
				} else {