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diff --git a/src/3rdparty/v8/src/jump-target.cc b/src/3rdparty/v8/src/jump-target.cc
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+++ b/src/3rdparty/v8/src/jump-target.cc
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+// Copyright 2009 the V8 project authors. 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.
+
+#include "v8.h"
+
+#include "codegen-inl.h"
+#include "jump-target-inl.h"
+#include "register-allocator-inl.h"
+
+namespace v8 {
+namespace internal {
+
+// -------------------------------------------------------------------------
+// JumpTarget implementation.
+
+void JumpTarget::Jump() {
+  DoJump();
+}
+
+
+void JumpTarget::Branch(Condition cc, Hint hint) {
+  DoBranch(cc, hint);
+}
+
+
+void JumpTarget::Bind() {
+  DoBind();
+}
+
+
+// -------------------------------------------------------------------------
+// ShadowTarget implementation.
+
+ShadowTarget::ShadowTarget(BreakTarget* shadowed) {
+  ASSERT(shadowed != NULL);
+  other_target_ = shadowed;
+
+#ifdef DEBUG
+  is_shadowing_ = true;
+#endif
+  // While shadowing this shadow target saves the state of the original.
+  shadowed->CopyTo(this);
+
+  // The original's state is reset.
+  shadowed->Unuse();
+  ASSERT(cgen()->has_valid_frame());
+  shadowed->set_expected_height(cgen()->frame()->height());
+}
+
+
+void ShadowTarget::StopShadowing() {
+  ASSERT(is_shadowing_);
+
+  // The states of this target, which was shadowed, and the original
+  // target, which was shadowing, are swapped.
+  BreakTarget temp;
+  other_target_->CopyTo(&temp);
+  CopyTo(other_target_);
+  temp.CopyTo(this);
+  temp.Unuse();
+
+#ifdef DEBUG
+  is_shadowing_ = false;
+#endif
+}
+
+} }  // namespace v8::internal