Merge branch 'PHP-8.1'

* PHP-8.1:
  Fix null static_variable_ptr for uncalled fake closures

Author: iluuu1994

Zend/tests/gh8083.phpt

@@ -0,0 +1,22 @@
+--TEST--
+GH-8083 (var_dump() on closure with static variable segfaults)
+--FILE--
+<?php
+
+function func() {
+    static $i;
+}
+
+$x = func(...);
+
+var_dump($x);
+
+?>
+--EXPECT--
+object(Closure)#1 (1) {
+  ["static"]=>
+  array(1) {
+    ["i"]=>
+    NULL
+  }
+}