Revert "Make GCC happy again." and "Initial switch to Chromium-style CHECK_* and DCHECK_* macros.".

src/isolate.cc

 // Copyright 2012 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 <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/v8.h"
@@ skipping 1542 matching lines @@
 
 Isolate::ThreadDataTable::ThreadDataTable()
     : list_(NULL) {
 }
 
 
 Isolate::ThreadDataTable::~ThreadDataTable() {
   // TODO(svenpanne) The assertion below would fire if an embedder does not
   // cleanly dispose all Isolates before disposing v8, so we are conservative
   // and leave it out for now.
-  // DCHECK_NULL(list_);
+  // DCHECK_EQ(NULL, list_);
 }
 
 
 Isolate::PerIsolateThreadData::~PerIsolateThreadData() {
 #if defined(USE_SIMULATOR)
   delete simulator_;
 #endif
 }
 
 
@@ skipping 981 matching lines @@
   if (prev_ && prev_->Intercept(flag)) return true;
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 } }  // namespace v8::internal