[ast] Remove internalization before AST rewriting

src/assert-scope.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/assert-scope.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/base/platform/platform.h"
 #include "src/debug/debug.h"
 #include "src/isolate.h"
@@ skipping 65 matching lines @@
     PerThreadAssertData::SetCurrent(data_);
   }
   data_->IncrementLevel();
   old_state_ = data_->Get(kType);
   data_->Set(kType, kAllow);
 }
 
 
 template <PerThreadAssertType kType, bool kAllow>
 PerThreadAssertScope<kType, kAllow>::~PerThreadAssertScope() {
+  if (data_ == nullptr) return;
+  Release();
+}
+
+template <PerThreadAssertType kType, bool kAllow>
+void PerThreadAssertScope<kType, kAllow>::Release() {
   DCHECK_NOT_NULL(data_);
   data_->Set(kType, old_state_);
   if (data_->DecrementLevel()) {
     PerThreadAssertData::SetCurrent(NULL);
     delete data_;
   }
+  data_ = nullptr;
 }
 
-
 // static
 template <PerThreadAssertType kType, bool kAllow>
 bool PerThreadAssertScope<kType, kAllow>::IsAllowed() {
   PerThreadAssertData* data = PerThreadAssertData::GetCurrent();
   return data == NULL || data->Get(kType);
 }
 
 
 template <PerIsolateAssertType kType, bool kAllow>
 class PerIsolateAssertScope<kType, kAllow>::DataBit
@@ skipping 40 matching lines @@
 template class PerIsolateAssertScope<JAVASCRIPT_EXECUTION_ASSERT, true>;
 template class PerIsolateAssertScope<JAVASCRIPT_EXECUTION_THROWS, false>;
 template class PerIsolateAssertScope<JAVASCRIPT_EXECUTION_THROWS, true>;
 template class PerIsolateAssertScope<DEOPTIMIZATION_ASSERT, false>;
 template class PerIsolateAssertScope<DEOPTIMIZATION_ASSERT, true>;
 template class PerIsolateAssertScope<COMPILATION_ASSERT, false>;
 template class PerIsolateAssertScope<COMPILATION_ASSERT, true>;
 
 }  // namespace internal
 }  // namespace v8