### 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
if (op->op == OP_EMPTY) {
					is_var_init = true;
					is_condition = true;
				}
			}
			p_block->statements.push_back(expr);
			tk = _get_token();
			if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR_CONDITION) {
				if (tk.type == TK_COMMA) {
					if (!is_condition) {
						_set_error(RTR("The middle expression is expected to be a boolean operator."));
						return ERR_PARSE_ERROR;
					}
					continue;
				}
				if (tk.type != TK_SEMICOLON) {
					_set_expected_error(",", ";");
					return ERR_PARSE_ERROR;
				}
			} else if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR_EXPRESSION) {
				if (tk.type == TK_COMMA) {
					continue;
				}
				if (tk.type != TK_PARENTHESIS_CLOSE) {
					_set_expected_error(",", ")");
					return ERR_PARSE_ERROR;
				}
			} else if (tk.type != TK_SEMICOLON) {
				_set_expected_error(";");
				return ERR_PARSE_ERROR;