1--TEST-- 2Bug #80030: Optimizer segfault with isset on static property with undef dynamic class name 3--FILE-- 4<?php 5 6function test() { 7 var_dump(isset($className::$test)); 8} 9test(); 10 11?> 12--EXPECTF-- 13Warning: Undefined variable $className in %s on line %d 14 15Fatal error: Uncaught Error: Class name must be a valid object or a string in %s:%d 16Stack trace: 17#0 %s(%d): test() 18#1 {main} 19 thrown in %s on line %d 20