3 files changed, 4 insertions, 2 deletions
diff --git a/Source/JavaScriptCore/bytecode/CodeBlock.cpp b/Source/JavaScriptCore/bytecode/CodeBlock.cpp
index 5fba8bb..2d235df 100644
--- a/Source/JavaScriptCore/bytecode/CodeBlock.cpp
+++ b/Source/JavaScriptCore/bytecode/CodeBlock.cpp
@@ -1697,7 +1697,7 @@ void CodeBlock::createActivation(CallFrame* callFrame)
     ASSERT(!callFrame->uncheckedR(activationRegister()).jsValue());
     JSActivation* activation = new (callFrame) JSActivation(callFrame, static_cast<FunctionExecutable*>(ownerExecutable()));
     callFrame->uncheckedR(activationRegister()) = JSValue(activation);
-    callFrame->setScopeChain(callFrame->scopeChain()->copy()->push(activation));
+    callFrame->setScopeChain(callFrame->scopeChain()->push(activation));
 }
 
 } // namespace JSC
diff --git a/Source/JavaScriptCore/bytecode/CodeBlock.h b/Source/JavaScriptCore/bytecode/CodeBlock.h
index f8498b4..bef4561 100644
--- a/Source/JavaScriptCore/bytecode/CodeBlock.h
+++ b/Source/JavaScriptCore/bytecode/CodeBlock.h
@@ -603,7 +603,7 @@ namespace JSC {
             Vector<CallReturnOffsetToBytecodeOffset> m_callReturnIndexVector;
 #endif
         };
-#if PLATFORM(WIN)
+#if COMPILER(MSVC)
         friend void WTF::deleteOwnedPtr<RareData>(RareData*);
 #endif
         OwnPtr<RareData> m_rareData;
diff --git a/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp b/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
index 018d832..5ec2a3f 100644
--- a/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
+++ b/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
@@ -26,6 +26,8 @@
 #include "config.h"
 #include "StructureStubInfo.h"
 
+#include "ScopeChain.h"
+
 namespace JSC {
 
 #if ENABLE(JIT)