### 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
tk = _get_token();
		if (is_token_operator(tk.type)) {
			Expression o;
			o.is_op = true;
			switch (tk.type) {
				case TK_OP_EQUAL:
					o.op = OP_EQUAL;
					break;
				case TK_OP_NOT_EQUAL:
					o.op = OP_NOT_EQUAL;
					break;
				case TK_OP_LESS:
					o.op = OP_LESS;
					break;
				case TK_OP_LESS_EQUAL:
					o.op = OP_LESS_EQUAL;
					break;
				case TK_OP_GREATER:
					o.op = OP_GREATER;
					break;
				case TK_OP_GREATER_EQUAL:
					o.op = OP_GREATER_EQUAL;
					break;
				case TK_OP_AND:
					o.op = OP_AND;
					break;
				case TK_OP_OR:
					o.op = OP_OR;
					break;
				case TK_OP_ADD: