[pull] master from php:master

NEWS

@@ -7,6 +7,8 @@ PHP                                                                        NEWS
     100-continue flow control). (Sjoerd Langkemper)
 
 - Intl:
+  . Fixed a memory leak when iterating IntlBreakIterator::getPartsIterator()
+    results. (iliaal)
   . Fixed a leak in Locale::getKeywords() when a keyword value cannot be
     read. (iliaal)
 

ext/intl/breakiterator/breakiterator_iterators.cpp

@@ -242,7 +242,7 @@ void IntlIterator_from_BreakIterator_parts(zval *break_iter_zv,
 	ii->iterator->index = 0;
 
 	((zoi_with_current*)ii->iterator)->destroy_it = _breakiterator_parts_destroy_it;
-	ZVAL_OBJ_COPY(&((zoi_with_current*)ii->iterator)->wrapping_obj, Z_OBJ_P(object));
+	ZVAL_UNDEF(&((zoi_with_current*)ii->iterator)->wrapping_obj);
 	ZVAL_UNDEF(&((zoi_with_current*)ii->iterator)->current);
 
 	((zoi_break_iter_parts*)ii->iterator)->bio = Z_INTL_BREAKITERATOR_P(break_iter_zv);

ext/intl/common/common_enum.cpp

@@ -39,6 +39,8 @@ zend_object_handlers IntlIterator_handlers;
 void zoi_with_current_dtor(zend_object_iterator *iter)
 {
 	zoi_with_current *zoiwc = (zoi_with_current*)iter;
+	iter->funcs->invalidate_current(iter);
+	zoiwc->destroy_it(iter);
 	zval_ptr_dtor(&zoiwc->wrapping_obj);
 	ZVAL_UNDEF(&zoiwc->wrapping_obj);
 }
@@ -149,7 +151,6 @@ static void IntlIterator_objects_dtor(zend_object *object)
 {
 	IntlIterator_object	*ii = php_intl_iterator_fetch_object(object);
 	if (ii->iterator) {
-		((zoi_with_current*)ii->iterator)->destroy_it(ii->iterator);
 		OBJ_RELEASE(&ii->iterator->std);
 		ii->iterator = NULL;
 	}

ext/intl/tests/breakiter_parts_iterator_current_leak.phpt

@@ -0,0 +1,31 @@
+--TEST--
+IntlPartsIterator must not leak, and a temporary one must not dangle
+--EXTENSIONS--
+intl
+--FILE--
+<?php
+function parts(): IntlPartsIterator {
+    $bi = IntlBreakIterator::createWordInstance('en');
+    $bi->setText('hello world');
+    return $bi->getPartsIterator();
+}
+
+foreach (parts() as $part) {
+    echo "[$part]\n";
+}
+
+$bi = IntlBreakIterator::createWordInstance('en');
+$bi->setText('hello world foo bar baz');
+$m0 = memory_get_usage();
+for ($i = 0; $i < 20000; $i++) {
+    foreach ($bi->getPartsIterator() as $v) {
+        break;
+    }
+}
+var_dump(memory_get_usage() - $m0 < 1024 * 1024);
+?>
+--EXPECT--
+[hello]
+[ ]
+[world]
+bool(true)