### 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
}
									from += "[";
									from += itos(array_size2);
									from += "]'";
									String to;
									if (precision != PRECISION_DEFAULT) {
										to += get_precision_name(precision);
										to += " ";
									}
									if (type == TYPE_STRUCT) {
										to += struct_name;
									} else {
										to += get_datatype_name(type);
									}
									to += "[";
									to += itos(var.array_size);
									to += "]'";
									_set_error(vformat(RTR("Cannot convert from '%s' to '%s'."), from, to));
									return ERR_PARSE_ERROR;
								}
							}
							bool curly = tk.type == TK_CURLY_BRACKET_OPEN;
							if (unknown_size) {
								if (!curly) {
									_set_expected_error("{");
									return ERR_PARSE_ERROR;
								}
							} else {
								if (full_def) {
									if (curly) {