### 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 (error != OK) {
				return nullptr;
			}
			tk = _get_token();
		} else {
			_set_expected_error("[");
			return nullptr;
		}
	}
	ArrayConstructNode *an = alloc_node<ArrayConstructNode>();
	if (tk.type == TK_PARENTHESIS_OPEN || auto_size) { 
		int idx = 0;
		while (true) {
			Node *n = _parse_and_reduce_expression(p_block, p_function_info);
			if (!n) {
				return nullptr;
			}
			
			if (auto_size && idx == 0) {
				type = n->get_datatype();
				if (type == TYPE_STRUCT) {
					struct_name = n->get_datatype_name();
				}
			} else {
				if (!_compare_datatypes(type, struct_name, 0, n->get_datatype(), n->get_datatype_name(), 0)) {
					return nullptr;
				}
			}
			tk = _get_token();
			if (tk.type == TK_COMMA) {