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diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/WeakGCPtr.h b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/WeakGCPtr.h
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--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/WeakGCPtr.h
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-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WeakGCPtr_h
-#define WeakGCPtr_h
-
-#include "Collector.h"
-#include <wtf/Noncopyable.h>
-
-namespace JSC {
-
-// A smart pointer whose get() function returns 0 for cells awaiting destruction.
-template <typename T> class WeakGCPtr : Noncopyable {
-public:
- WeakGCPtr() : m_ptr(0) { }
- WeakGCPtr(T* ptr) { assign(ptr); }
-
- T* get() const
- {
- if (!m_ptr || !Heap::isCellMarked(m_ptr))
- return 0;
- return m_ptr;
- }
-
- void clear() { m_ptr = 0; }
-
- T& operator*() const { return *get(); }
- T* operator->() const { return get(); }
-
- bool operator!() const { return !get(); }
-
- // This conversion operator allows implicit conversion to bool but not to other integer types.
-#if COMPILER(WINSCW)
- operator bool() const { return m_ptr; }
-#else
- typedef T* WeakGCPtr::*UnspecifiedBoolType;
- operator UnspecifiedBoolType() const { return get() ? &WeakGCPtr::m_ptr : 0; }
-#endif
-
- WeakGCPtr& operator=(T*);
-
-private:
- void assign(T* ptr)
- {
- if (ptr)
- Heap::markCell(ptr);
- m_ptr = ptr;
- }
-
- T* m_ptr;
-};
-
-template <typename T> inline WeakGCPtr<T>& WeakGCPtr<T>::operator=(T* optr)
-{
- assign(optr);
- return *this;
-}
-
-template <typename T, typename U> inline bool operator==(const WeakGCPtr<T>& a, const WeakGCPtr<U>& b)
-{
- return a.get() == b.get();
-}
-
-template <typename T, typename U> inline bool operator==(const WeakGCPtr<T>& a, U* b)
-{
- return a.get() == b;
-}
-
-template <typename T, typename U> inline bool operator==(T* a, const WeakGCPtr<U>& b)
-{
- return a == b.get();
-}
-
-template <typename T, typename U> inline bool operator!=(const WeakGCPtr<T>& a, const WeakGCPtr<U>& b)
-{
- return a.get() != b.get();
-}
-
-template <typename T, typename U> inline bool operator!=(const WeakGCPtr<T>& a, U* b)
-{
- return a.get() != b;
-}
-
-template <typename T, typename U> inline bool operator!=(T* a, const WeakGCPtr<U>& b)
-{
- return a != b.get();
-}
-
-template <typename T, typename U> inline WeakGCPtr<T> static_pointer_cast(const WeakGCPtr<U>& p)
-{
- return WeakGCPtr<T>(static_cast<T*>(p.get()));
-}
-
-template <typename T, typename U> inline WeakGCPtr<T> const_pointer_cast(const WeakGCPtr<U>& p)
-{
- return WeakGCPtr<T>(const_cast<T*>(p.get()));
-}
-
-template <typename T> inline T* getPtr(const WeakGCPtr<T>& p)
-{
- return p.get();
-}
-
-} // namespace JSC
-
-#endif // WeakGCPtr_h