### 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
idx++;
		}
	}
	if (unsupported_builtin) {
		String arglist = "";
		for (int i = 0; i < argcount; i++) {
			if (i > 0) {
				arglist += ", ";
			}
			arglist += get_datatype_name(builtin_func_defs[builtin_idx].args[i]);
		}
		_set_error(vformat(RTR("Built-in function \"%s(%s)\" is only supported on high-end platforms."), String(name), arglist));
		return false;
	}
	if (failed_builtin) {
		String arg_list;
		for (int i = 0; i < argcount; i++) {
			if (i > 0) {
				arg_list += ",";
			}
			String arg_name;
			if (args[i] == TYPE_STRUCT) {
				arg_name = args2[i];
			} else {
				arg_name = get_datatype_name(args[i]);
			}
			if (args3[i] > 0) {
				arg_name += "[";
				arg_name += itos(args3[i]);
				arg_name += "]";