1 files changed, 25 insertions, 1 deletions
diff --git a/JavaScriptCore/runtime/JSCell.h b/JavaScriptCore/runtime/JSCell.h
index 485ad2e..75ccf7f 100644
--- a/JavaScriptCore/runtime/JSCell.h
+++ b/JavaScriptCore/runtime/JSCell.h
@@ -55,7 +55,7 @@ namespace JSC {
         bool isString() const;
         bool isObject() const;
         virtual bool isGetterSetter() const;
-        bool inherits(const ClassInfo*) const;
+        virtual bool isObject(const ClassInfo*) const;
         virtual bool isAPIValueWrapper() const { return false; }
 
         Structure* structure() const;
@@ -379,6 +379,30 @@ namespace JSC {
         if (cell->structure()->typeInfo().type() >= CompoundType)
             m_values.append(cell);
     }
+
+    inline void MarkStack::drain() {
+        while (!m_markSets.isEmpty() || !m_values.isEmpty()) {
+            while ((!m_markSets.isEmpty()) && m_values.size() < 50) {
+                const MarkSet& current = m_markSets.removeLast();
+                JSValue* ptr = current.m_values;
+                JSValue* end = current.m_end;
+                if (current.m_properties == NoNullValues) {
+                    while (ptr != end)
+                        append(*ptr++);
+                } else {
+                    while (ptr != end) {
+                        if (JSValue value = *ptr++)
+                            append(value);
+                    }
+                }
+            }
+            while (!m_values.isEmpty()) {
+                JSCell* current = m_values.removeLast();
+                ASSERT(current->marked());
+                current->markChildren(*this);
+            }
+        }
+    }
 } // namespace JSC
 
 #endif // JSCell_h