1 files changed, 2 insertions, 0 deletions
diff --git a/src/qml/memory/qv4mm.cpp b/src/qml/memory/qv4mm.cpp
index 3465036c86..35b2ff2749 100644
--- a/src/qml/memory/qv4mm.cpp
+++ b/src/qml/memory/qv4mm.cpp
@@ -1220,6 +1220,8 @@ void MemoryManager::collectFromJSStack(MarkStack *markStack) const
             Q_ASSERT(m->inUse());
             // Skip pointers to already freed objects, they are bogus as well
             m->mark(markStack);
+            if (markStack->top >= markStack->limit)
+                markStack->drain();
         }
         ++v;
     }