1 files changed, 14 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/heap/Heap.cpp b/Source/JavaScriptCore/heap/Heap.cpp
index 377132765..669178804 100644
--- a/Source/JavaScriptCore/heap/Heap.cpp
+++ b/Source/JavaScriptCore/heap/Heap.cpp
@@ -830,4 +830,18 @@ void Heap::addCompiledCode(ExecutableBase* executable)
     m_compiledCode.append(executable);
 }
 
+bool Heap::isSafeToSweepStructures()
+{
+    return !m_sweeper || m_sweeper->structuresCanBeSwept();
+}
+
+void Heap::didStartVMShutdown()
+{
+    m_activityCallback->didStartVMShutdown();
+    m_activityCallback = 0;
+    m_sweeper->didStartVMShutdown();
+    m_sweeper = 0;
+    lastChanceToFinalize();
+}
+
 } // namespace JSC