### 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
pos = brk_end + 1;
			tag_stack.push_front("ol");
		} else if (tag == "ol type=i") {
			indent_level++;
			push_list(indent_level, LIST_ROMAN, false);
			pos = brk_end + 1;
			tag_stack.push_front("ol");
		} else if (tag == "ol type=I") {
			indent_level++;
			push_list(indent_level, LIST_ROMAN, true);
			pos = brk_end + 1;
			tag_stack.push_front("ol");
		} else if (tag == "indent") {
			indent_level++;
			push_indent(indent_level);
			pos = brk_end + 1;
			tag_stack.push_front(tag);
		} else if (tag == "p") {
			push_paragraph(HORIZONTAL_ALIGNMENT_LEFT);
			pos = brk_end + 1;
			tag_stack.push_front("p");
		} else if (tag.begins_with("p ")) {
			Vector<String> subtag = tag.substr(2, tag.length()).split(" ");
			_normalize_subtags(subtag);
			HorizontalAlignment alignment = HORIZONTAL_ALIGNMENT_LEFT;
			Control::TextDirection dir = Control::TEXT_DIRECTION_INHERITED;
			String lang;
			PackedFloat32Array tab_stops;
			TextServer::StructuredTextParser st_parser_type = TextServer::STRUCTURED_TEXT_DEFAULT;
			BitField<TextServer::JustificationFlag> jst_flags = default_jst_flags;