### Godot version

4.0 beta17

### System information

Windows10

### Issue description

call `"".split()`
Is there an infinite loop inside? Function does not return.

### Steps to reproduce

"".split()

### Minimal reproduction project

N/A
}
				case 'd': 
				case 'o': 
				case 'x': 
				case 'X': { 
					if (value_index >= values.size()) {
						return "not enough arguments for format string";
					}
					if (!values[value_index].is_num()) {
						return "a number is required";
					}
					int64_t value = values[value_index];
					int base = 16;
					bool capitalize = false;
					switch (c) {
						case 'd':
							base = 10;
							break;
						case 'o':
							base = 8;
							break;
						case 'x':
							break;
						case 'X':
							base = 16;
							capitalize = true;
							break;
					}
					
					String str = String::num_int64(ABS(value), base, capitalize);