### Godot version

4.1.rc.custom_build. c83f912bc

### System information

Ubuntu 22.04 CI

### Issue description

When executing
```
extends Node
func _process(delta):

	var temp_variable35241 = RichTextLabel.new()
	add_child(temp_variable35241)
	temp_variable35241.set_fit_content(true)
	temp_variable35241.parse_bbcode("3188932498")
	temp_variable35241.queue_free()
```
this code freeze project in CI for at least 60 seconds

### Steps to reproduce

Above

### Minimal reproduction project

N/A
set_text(text);
			}
			main->first_invalid_line.store(0); 
			queue_redraw();
		} break;
		case NOTIFICATION_PREDELETE:
		case NOTIFICATION_EXIT_TREE: {
			_stop_thread();
		} break;
		case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
		case NOTIFICATION_TRANSLATION_CHANGED: {
			_apply_translation();
			queue_redraw();
		} break;
		case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
			if (is_visible_in_tree()) {
				queue_redraw();
			}
		} break;
		case NOTIFICATION_DRAW: {
			RID ci = get_canvas_item();
			Size2 size = get_size();
			draw_style_box(theme_cache.normal_style, Rect2(Point2(), size));
			if (has_focus()) {
				RenderingServer::get_singleton()->canvas_item_add_clip_ignore(ci, true);
				draw_style_box(theme_cache.focus_style, Rect2(Point2(), size));
				RenderingServer::get_singleton()->canvas_item_add_clip_ignore(ci, false);
			}
			
			if (_validate_line_caches()) {