1 files changed, 4 insertions, 2 deletions
diff --git a/sql/sql_alloc.h b/sql/sql_alloc.h
index 36fe665c475..4db12964f0a 100644
--- a/sql/sql_alloc.h
+++ b/sql/sql_alloc.h
@@ -27,11 +27,13 @@ class Sql_alloc
 public:
   static void *operator new(size_t size) throw ()
   {
-    return thd_alloc(thd_get_current_thd(), size);
+    DBUG_ASSERT(size < UINT_MAX32);
+    return thd_alloc(thd_get_current_thd(), uint(size));
   }
   static void *operator new[](size_t size) throw ()
   {
-    return thd_alloc(thd_get_current_thd(), size);
+    DBUG_ASSERT(size < UINT_MAX32);
+    return thd_alloc(thd_get_current_thd(), uint(size));
   }
   static void *operator new[](size_t size, MEM_ROOT *mem_root) throw ()
   { return alloc_root(mem_root, size); }