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Diffstat (limited to 'ext/mysqlnd/mysqlnd_block_alloc.c')
-rw-r--r--ext/mysqlnd/mysqlnd_block_alloc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/mysqlnd/mysqlnd_block_alloc.c b/ext/mysqlnd/mysqlnd_block_alloc.c
index 10f6bd3b6d..cba7530c8d 100644
--- a/ext/mysqlnd/mysqlnd_block_alloc.c
+++ b/ext/mysqlnd/mysqlnd_block_alloc.c
@@ -200,6 +200,9 @@ PHPAPI void
mysqlnd_mempool_restore_state(MYSQLND_MEMORY_POOL * pool)
{
DBG_ENTER("mysqlnd_mempool_restore_state");
+#if ZEND_DEBUG
+ ZEND_ASSERT(pool->checkpoint);
+#endif
if (pool->checkpoint) {
mysqlnd_arena_release(&pool->arena, pool->checkpoint);
pool->last = NULL;