releases property attributes of internal classes

Zend/zend_opcode.c

@@ -447,6 +447,9 @@ ZEND_API void destroy_zend_class(zval *zv)
 				if (prop_info->ce == ce) {
 					zend_string_release(prop_info->name);
 					zend_type_release(prop_info->type, /* persistent */ 1);
+					if (prop_info->attributes) {
+						zend_hash_release(prop_info->attributes);
+					}
 					free(prop_info);
 				}
 			} ZEND_HASH_FOREACH_END();

ext/zend_test/test.c

@@ -50,6 +50,7 @@ static zend_class_entry *zend_test_parameter_attribute;
 static zend_class_entry *zend_test_property_attribute;
 static zend_class_entry *zend_test_class_with_method_with_parameter_attribute;
 static zend_class_entry *zend_test_child_class_with_method_with_parameter_attribute;
+static zend_class_entry *zend_test_class_with_property_attribute;
 static zend_class_entry *zend_test_forbid_dynamic_call;
 static zend_class_entry *zend_test_ns_foo_class;
 static zend_class_entry *zend_test_ns_unlikely_compile_error_class;
@@ -1021,6 +1022,12 @@ PHP_MINIT_FUNCTION(zend_test)
 	zend_test_class_with_method_with_parameter_attribute = register_class_ZendTestClassWithMethodWithParameterAttribute();
 	zend_test_child_class_with_method_with_parameter_attribute = register_class_ZendTestChildClassWithMethodWithParameterAttribute(zend_test_class_with_method_with_parameter_attribute);
 
+	zend_test_class_with_property_attribute = register_class_ZendTestClassWithPropertyAttribute();
+	{
+		zend_property_info *prop_info = zend_hash_str_find_ptr(&zend_test_class_with_property_attribute->properties_info, "attributed", sizeof("attributed") - 1);
+		zend_add_property_attribute(zend_test_class_with_property_attribute, prop_info, zend_test_attribute->name, 0);
+	}
+
 	zend_test_forbid_dynamic_call = register_class_ZendTestForbidDynamicCall();
 
 	zend_test_ns_foo_class = register_class_ZendTestNS_Foo();

ext/zend_test/test.stub.php

@@ -107,6 +107,12 @@ public function override(
         ): int {}
     }
 
+    class ZendTestClassWithPropertyAttribute {
+        // this attribute must be added internally in MINIT
+        #[ZendTestAttribute]
+        public string $attributed;
+    }
+
     final class ZendTestForbidDynamicCall {
         public function call(): void {}
         public static function callStatic(): void {}

ext/zend_test/tests/attribute-internal-property.phpt

@@ -0,0 +1,14 @@
+--TEST--
+Tests attributes on internal class properties.
+--EXTENSIONS--
+zend_test
+reflection
+--FILE--
+<?php
+
+$prop = new \ReflectionProperty(ZendTestClassWithPropertyAttribute::class, 'attributed');
+$attr = $prop->getAttributes(ZendTestAttribute::class)[0];
+var_dump($attr->getName());
+?>
+--EXPECT--
+string(17) "ZendTestAttribute"