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
if (textViewer == null)
				return Status.CANCEL_STATUS;
			
			IDocument document= textViewer.getDocument();
			if (document == null)
				return Status.CANCEL_STATUS;
			
			IDocumentProvider documentProvider= getDocumentProvider();
			if (documentProvider == null)
				return Status.CANCEL_STATUS;
		
			IAnnotationModel annotationModel= documentProvider.getAnnotationModel(getEditorInput());
			if (annotationModel == null)
				return Status.CANCEL_STATUS;
			
			
			int length= fPositions.length;
			Map annotationMap= new HashMap(length);
			for (int i= 0; i < length; i++) {
				
				if (isCanceled())
					return Status.CANCEL_STATUS; 
				
				String message;
				Position position= fPositions[i];
				
				
				try {
					message= document.get(position.offset, position.length);
				} catch (BadLocationException ex) {