### 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
bool reading_type = false;
	String cur_identifier;
	for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
		if (p_code[i] == ';') {
			break;
		} else if (p_code[i] <= 32) {
			if (!cur_identifier.is_empty()) {
				if (!reading_type) {
					if (cur_identifier != "shader_type") {
						return String();
					}
					reading_type = true;
					cur_identifier = String();
				} else {
					return cur_identifier;
				}
			}
		} else {
			cur_identifier += String::chr(p_code[i]);
		}
	}
	if (reading_type) {
		return cur_identifier;
	}
	return String();
}
bool ShaderLanguage::is_builtin_func_out_parameter(const String &p_name, int p_param) {