Fixed GH-8041 (php 8.2.0-dev crashes with assertion for cloning/get_object_vars on non-empty SplFixedArray)

Author: dstogov

ext/spl/spl_fixedarray.c

@@ -223,6 +223,10 @@ static HashTable* spl_fixedarray_object_get_properties(zend_object *obj)
 				zend_hash_index_del(ht, i);
 			}
 		}
+		if (HT_IS_PACKED(ht)) {
+			/* Engine doesn't expet packed array */
+			zend_hash_packed_to_hash(ht);
+		}
 	}
 
 	return ht;

ext/spl/tests/fixedarray_023.phpt

@@ -0,0 +1,11 @@
+--TEST--
+SPL: FixedArray: Bug GH-8041 (php 8.2.0-dev crashes with assertion for cloning/get_object_vars on non-empty SplFixedArray)
+--FILE--
+<?php
+$x = new SplFixedArray(1);
+$z = (array)$x;
+$y = clone $x;
+?>
+DONE
+--EXPECT--
+DONE