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diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h
deleted file mode 100644
index 8a73e13..0000000
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h
+++ /dev/null
@@ -1,240 +0,0 @@
-// Copyright (c) 2005, 2006, Google 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:
-// 
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * 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.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-// 
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
-// OWNER OR 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.
-
-// ---
-// Author: Sanjay Ghemawat <opensource@google.com>
-
-#ifndef TCMALLOC_INTERNAL_SPINLOCK_H__
-#define TCMALLOC_INTERNAL_SPINLOCK_H__
-
-#if (CPU(X86) || CPU(X86_64) || CPU(PPC)) && (COMPILER(GCC) || COMPILER(MSVC))
-
-#include <time.h>       /* For nanosleep() */
-
-#include <sched.h>      /* For sched_yield() */
-
-#if HAVE(STDINT_H)
-#include <stdint.h>
-#elif HAVE(INTTYPES_H)
-#include <inttypes.h>
-#else
-#include <sys/types.h>
-#endif
-
-#if OS(WINDOWS)
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#endif
-
-static void TCMalloc_SlowLock(volatile unsigned int* lockword);
-
-// The following is a struct so that it can be initialized at compile time
-struct TCMalloc_SpinLock {
-
-  inline void Lock() {
-    int r;
-#if COMPILER(GCC)
-#if CPU(X86) || CPU(X86_64)
-    __asm__ __volatile__
-      ("xchgl %0, %1"
-       : "=r"(r), "=m"(lockword_)
-       : "0"(1), "m"(lockword_)
-       : "memory");
-#else
-    volatile unsigned int *lockword_ptr = &lockword_;
-    __asm__ __volatile__
-        ("1: lwarx %0, 0, %1\n\t"
-         "stwcx. %2, 0, %1\n\t"
-         "bne- 1b\n\t"
-         "isync"
-         : "=&r" (r), "=r" (lockword_ptr)
-         : "r" (1), "1" (lockword_ptr)
-         : "memory");
-#endif
-#elif COMPILER(MSVC)
-    __asm {
-        mov eax, this    ; store &lockword_ (which is this+0) in eax
-        mov ebx, 1       ; store 1 in ebx
-        xchg [eax], ebx  ; exchange lockword_ and 1
-        mov r, ebx       ; store old value of lockword_ in r
-    }
-#endif
-    if (r) TCMalloc_SlowLock(&lockword_);
-  }
-
-  inline void Unlock() {
-#if COMPILER(GCC)
-#if CPU(X86) || CPU(X86_64)
-    __asm__ __volatile__
-      ("movl $0, %0"
-       : "=m"(lockword_)
-       : "m" (lockword_)
-       : "memory");
-#else
-    __asm__ __volatile__
-      ("isync\n\t"
-       "eieio\n\t"
-       "stw %1, %0"
-#if OS(DARWIN) || CPU(PPC)
-       : "=o" (lockword_)
-#else
-       : "=m" (lockword_) 
-#endif
-       : "r" (0)
-       : "memory");
-#endif
-#elif COMPILER(MSVC)
-      __asm {
-          mov eax, this  ; store &lockword_ (which is this+0) in eax
-          mov [eax], 0   ; set lockword_ to 0
-      }
-#endif
-  }
-    // Report if we think the lock can be held by this thread.
-    // When the lock is truly held by the invoking thread
-    // we will always return true.
-    // Indended to be used as CHECK(lock.IsHeld());
-    inline bool IsHeld() const {
-        return lockword_ != 0;
-    }
-
-    inline void Init() { lockword_ = 0; }
-
-    volatile unsigned int lockword_;
-};
-
-#define SPINLOCK_INITIALIZER { 0 }
-
-static void TCMalloc_SlowLock(volatile unsigned int* lockword) {
-  sched_yield();        // Yield immediately since fast path failed
-  while (true) {
-    int r;
-#if COMPILER(GCC)
-#if CPU(X86) || CPU(X86_64)
-    __asm__ __volatile__
-      ("xchgl %0, %1"
-       : "=r"(r), "=m"(*lockword)
-       : "0"(1), "m"(*lockword)
-       : "memory");
-
-#else
-    int tmp = 1;
-    __asm__ __volatile__
-        ("1: lwarx %0, 0, %1\n\t"
-         "stwcx. %2, 0, %1\n\t"
-         "bne- 1b\n\t"
-         "isync"
-         : "=&r" (r), "=r" (lockword)
-         : "r" (tmp), "1" (lockword)
-         : "memory");
-#endif
-#elif COMPILER(MSVC)
-    __asm {
-        mov eax, lockword     ; assign lockword into eax
-        mov ebx, 1            ; assign 1 into ebx
-        xchg [eax], ebx       ; exchange *lockword and 1
-        mov r, ebx            ; store old value of *lockword in r
-    }
-#endif
-    if (!r) {
-      return;
-    }
-
-    // This code was adapted from the ptmalloc2 implementation of
-    // spinlocks which would sched_yield() upto 50 times before
-    // sleeping once for a few milliseconds.  Mike Burrows suggested
-    // just doing one sched_yield() outside the loop and always
-    // sleeping after that.  This change helped a great deal on the
-    // performance of spinlocks under high contention.  A test program
-    // with 10 threads on a dual Xeon (four virtual processors) went
-    // from taking 30 seconds to 16 seconds.
-
-    // Sleep for a few milliseconds
-#if OS(WINDOWS)
-    Sleep(2);
-#else
-    struct timespec tm;
-    tm.tv_sec = 0;
-    tm.tv_nsec = 2000001;
-    nanosleep(&tm, NULL);
-#endif
-  }
-}
-
-#else
-
-#include <pthread.h>
-
-// Portable version
-struct TCMalloc_SpinLock {
-  pthread_mutex_t private_lock_;
-
-  inline void Init() {
-    if (pthread_mutex_init(&private_lock_, NULL) != 0) CRASH();
-  }
-  inline void Finalize() {
-    if (pthread_mutex_destroy(&private_lock_) != 0) CRASH();
-  }
-  inline void Lock() {
-    if (pthread_mutex_lock(&private_lock_) != 0) CRASH();
-  }
-  inline void Unlock() {
-    if (pthread_mutex_unlock(&private_lock_) != 0) CRASH();
-  }
-  bool IsHeld() {
-    if (pthread_mutex_trylock(&private_lock_))
-      return true;
-
-    Unlock();
-    return false;
-  }
-};
-
-#define SPINLOCK_INITIALIZER { PTHREAD_MUTEX_INITIALIZER }
-
-#endif
-
-// Corresponding locker object that arranges to acquire a spinlock for
-// the duration of a C++ scope.
-class TCMalloc_SpinLockHolder {
- private:
-  TCMalloc_SpinLock* lock_;
- public:
-  inline explicit TCMalloc_SpinLockHolder(TCMalloc_SpinLock* l)
-    : lock_(l) { l->Lock(); }
-  inline ~TCMalloc_SpinLockHolder() { lock_->Unlock(); }
-};
-
-// Short-hands for convenient use by tcmalloc.cc
-typedef TCMalloc_SpinLock SpinLock;
-typedef TCMalloc_SpinLockHolder SpinLockHolder;
-
-#endif  // TCMALLOC_INTERNAL_SPINLOCK_H__