1 files changed, 7 insertions, 35 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGDesiredWeakReferences.cpp b/Source/JavaScriptCore/dfg/DFGDesiredWeakReferences.cpp
index 1af13ef4e..a8376ea8a 100644
--- a/Source/JavaScriptCore/dfg/DFGDesiredWeakReferences.cpp
+++ b/Source/JavaScriptCore/dfg/DFGDesiredWeakReferences.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -24,21 +24,16 @@
  */
 
 #include "config.h"
-#include "DFGDesiredWeakReferences.h"
 
 #if ENABLE(DFG_JIT)
 
+#include "DFGDesiredWeakReferences.h"
+
 #include "CodeBlock.h"
 #include "DFGCommonData.h"
-#include "JSCInlines.h"
 
 namespace JSC { namespace DFG {
 
-DesiredWeakReferences::DesiredWeakReferences()
-    : m_codeBlock(nullptr)
-{
-}
-
 DesiredWeakReferences::DesiredWeakReferences(CodeBlock* codeBlock)
     : m_codeBlock(codeBlock)
 {
@@ -50,40 +45,17 @@ DesiredWeakReferences::~DesiredWeakReferences()
 
 void DesiredWeakReferences::addLazily(JSCell* cell)
 {
-    if (cell)
-        m_references.add(cell);
-}
-
-void DesiredWeakReferences::addLazily(JSValue value)
-{
-    if (value.isCell())
-        addLazily(value.asCell());
-}
-
-bool DesiredWeakReferences::contains(JSCell* cell)
-{
-    return m_references.contains(cell);
+    m_references.append(cell);
 }
 
 void DesiredWeakReferences::reallyAdd(VM& vm, CommonData* common)
 {
-    for (JSCell* target : m_references) {
-        if (Structure* structure = jsDynamicCast<Structure*>(target)) {
-            common->weakStructureReferences.append(
-                WriteBarrier<Structure>(vm, m_codeBlock, structure));
-        } else {
-            common->weakReferences.append(
-                WriteBarrier<JSCell>(vm, m_codeBlock, target));
-        }
+    for (unsigned i = 0; i < m_references.size(); i++) {
+        JSCell* target = m_references[i];
+        common->weakReferences.append(WriteBarrier<JSCell>(vm, m_codeBlock->ownerExecutable(), target));
     }
 }
 
-void DesiredWeakReferences::visitChildren(SlotVisitor& visitor)
-{
-    for (JSCell* target : m_references)
-        visitor.appendUnbarrieredPointer(&target);
-}
-
 } } // namespace JSC::DFG
 
 #endif // ENABLE(DFG_JIT)