### Godot version

4.0.3

### System information

Win7

### Issue description

![image](https://github.com/godotengine/godot/assets/28286958/abec9d3c-e078-424c-9430-d9fe8897aad6)


### Steps to reproduce

1. Create shader
2. Add uint with hex, e.g. 0xffffu

### Minimal reproduction project

N/A
return ERR_PARSE_ERROR;
										}
									}
									StringName struct_name2;
									DataType type2;
									if (shader->structs.has(tk.text)) {
										type2 = TYPE_STRUCT;
										struct_name2 = tk.text;
									} else {
										if (!is_token_variable_datatype(tk.type)) {
											_set_error(RTR("Invalid data type for the array."));
											return ERR_PARSE_ERROR;
										}
										type2 = get_token_datatype(tk.type);
									}
									int array_size2 = 0;
									tk = _get_token();
									if (tk.type == TK_BRACKET_OPEN) {
										bool is_unknown_size = false;
										Error error = _parse_array_size(nullptr, constants, false, nullptr, &array_size2, &is_unknown_size);
										if (error != OK) {
											return error;
										}
										if (is_unknown_size) {
											array_size2 = constant.array_size;
										}
										tk = _get_token();
									} else {
										_set_expected_error("[");
										return ERR_PARSE_ERROR;