regression: static func can't access const fix

modules/gdscript/gdscript_parser.cpp

@@ -7507,7 +7507,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_function_call_type(const Operat
 	return return_type;
 }
 
-bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringName &p_member, DataType &r_member_type) const {
+bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringName &p_member, DataType &r_member_type, bool *r_is_const) const {
 	DataType base_type = p_base_type;
 
 	// Check classes in current file
@@ -7518,6 +7518,8 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN
 
 	while (base) {
 		if (base->constant_expressions.has(p_member)) {
+			if (r_is_const)
+				*r_is_const = true;
 			r_member_type = base->constant_expressions[p_member].expression->get_datatype();
 			return true;
 		}
@@ -7742,8 +7744,9 @@ GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType
 		base_type = DataType(*p_base_type);
 	}
 
-	if (_get_member_type(base_type, p_identifier, member_type)) {
-		if (!p_base_type && current_function && current_function->_static) {
+	bool is_const = false;
+	if (_get_member_type(base_type, p_identifier, member_type, &is_const)) {
+		if (!p_base_type && current_function && current_function->_static && !is_const) {
 			_set_error("Can't access member variable (\"" + p_identifier.operator String() + "\") from a static function.", p_line);
 			return DataType();
 		}

modules/gdscript/gdscript_parser.h

@@ -635,7 +635,7 @@ private:
 	DataType _get_operation_type(const Variant::Operator p_op, const DataType &p_a, const DataType &p_b, bool &r_valid) const;
 	Variant::Operator _get_variant_operation(const OperatorNode::Operator &p_op) const;
 	bool _get_function_signature(DataType &p_base_type, const StringName &p_function, DataType &r_return_type, List<DataType> &r_arg_types, int &r_default_arg_count, bool &r_static, bool &r_vararg) const;
-	bool _get_member_type(const DataType &p_base_type, const StringName &p_member, DataType &r_member_type) const;
+	bool _get_member_type(const DataType &p_base_type, const StringName &p_member, DataType &r_member_type, bool *r_is_const = nullptr) const;
 	bool _is_type_compatible(const DataType &p_container, const DataType &p_expression, bool p_allow_implicit_conversion = false) const;
 	Node *_get_default_value_for_type(const DataType &p_type, int p_line = -1);