### 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 (!p_op->arguments[1]->is_indexed()) {
				sb = p_op->arguments[1]->get_array_size();
			}
			if (sa != sb) {
				break; 
			}
			DataType na = p_op->arguments[0]->get_datatype();
			DataType nb = p_op->arguments[1]->get_datatype();
			if (na == TYPE_STRUCT || nb == TYPE_STRUCT) {
				valid = p_op->arguments[0]->get_datatype_name() == p_op->arguments[1]->get_datatype_name();
			} else {
				valid = na == nb;
			}
			ret_type = na;
			ret_size = sa;
		} break;
		case OP_ASSIGN_ADD:
		case OP_ASSIGN_SUB:
		case OP_ASSIGN_MUL:
		case OP_ASSIGN_DIV: {
			int sa = 0;
			int sb = 0;
			if (!p_op->arguments[0]->is_indexed()) {
				sa = p_op->arguments[0]->get_array_size();
			}
			if (!p_op->arguments[1]->is_indexed()) {
				sb = p_op->arguments[1]->get_array_size();
			}
			if (sa > 0 || sb > 0) {
				break;