### 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
current_uniform_filter = new_filter;
								}
							}
							if (new_repeat != REPEAT_DEFAULT) {
								if (uniform.repeat != REPEAT_DEFAULT) {
									if (uniform.repeat == new_repeat) {
										_set_error(vformat(RTR("Duplicated repeat mode: '%s'."), get_texture_repeat_name(new_repeat)));
									} else {
										_set_error(vformat(RTR("Redefinition of repeat mode: '%s'. The repeat mode has already been set to '%s'."), get_texture_repeat_name(new_repeat), get_texture_repeat_name(uniform.repeat)));
									}
									return ERR_PARSE_ERROR;
								} else {
									uniform.repeat = new_repeat;
									current_uniform_repeat = new_repeat;
								}
							}
							tk = _get_token();
						} while (tk.type == TK_COMMA);
					}
					if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE) {
						if (custom_instance_index >= 0) {
							uniform.instance_index = custom_instance_index;
						} else {
							uniform.instance_index = instance_index++;
							if (instance_index > MAX_INSTANCE_UNIFORM_INDICES) {
								_set_error(vformat(RTR("Too many '%s' uniforms in shader, maximum supported is %d."), "instance", MAX_INSTANCE_UNIFORM_INDICES));
								return ERR_PARSE_ERROR;
							}
						}
					}