Bug 18588 [Workbench] Hierarchy - no progress monitor ?
Build 20020601 Open type java.lang.Object, select Object type name in editor, and hit F4. No progress is shown during hierarchy opening.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java
if (isWorkingCopyRemove || delta.getKind() == IJavaElementDelta.CHANGED && isPossibleStructuralChange(delta.getFlags())) {
					try {
						if (isWorkingCopyRemove)
							cu= (ICompilationUnit)cu.getOriginalElement();
						if (cu.exists()) {
							IType[] types= cu.getAllTypes();
							for (int i= 0; i < types.length; i++) {
								processTypeDelta(types[i], changedTypes);
							}
						}
					} catch (JavaModelException e) {
						JavaPlugin.log(e);
					}
				} else {
					processChildrenDelta(delta, changedTypes);
				}
				break;
			case IJavaElement.CLASS_FILE:	
				if (delta.getKind() == IJavaElementDelta.CHANGED) {
					try {
						IType type= ((IClassFile) element).getType();
						processTypeDelta(type, changedTypes);
					} catch (JavaModelException e) {
						JavaPlugin.log(e);
					}
				} else {
					processChildrenDelta(delta, changedTypes);
				}
				break;				
		}