### Godot version

4.0.2

### System information

Ubuntu 22.04.1 LTS

### Issue description

So far I've found these ones:

![Screenshot from 2023-05-10 17-56-42](https://github.com/godotengine/godot/assets/85438892/b161b14a-cb7d-46fe-8398-816bf354a929)
![Screenshot from 2023-05-10 18-01-02](https://github.com/godotengine/godot/assets/85438892/b0fefcfb-4246-4ebb-ae7b-dd798d7a1d63)

But there are likely more like them. They are invalid, at least in the context I encountered them here (at the beginning of a regular line of script)

### Steps to reproduce

Type `Anchor` in the code editor.

### Minimal reproduction project

N/A
bool found = false;
	if (p_expression == nullptr) {
		return false;
	}
	static int recursion_depth = 0;
	RecursionCheck recursion(&recursion_depth);
	if (unlikely(recursion.check())) {
		ERR_FAIL_V_MSG(false, "Reached recursion limit while trying to guess type.");
	}
	if (p_expression->is_constant) {
		
		r_type = _type_from_variant(p_expression->reduced_value);
		switch (p_expression->get_datatype().kind) {
			case GDScriptParser::DataType::ENUM:
			case GDScriptParser::DataType::CLASS:
				r_type.type = p_expression->get_datatype();
				break;
			default:
				break;
		}
		found = true;
	} else {
		switch (p_expression->type) {
			case GDScriptParser::Node::LITERAL: {
				const GDScriptParser::LiteralNode *literal = static_cast<const GDScriptParser::LiteralNode *>(p_expression);
				r_type = _type_from_variant(literal->value);
				found = true;
			} break;
			case GDScriptParser::Node::SELF: {
				if (p_context.current_class) {