"Deiceolate" Thread classes.

src/isolate.h

 // Copyright 2011 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
@@ skipping 577 matching lines @@
   }
 
   MaybeObject** scheduled_exception_address() {
     return &thread_local_top_.scheduled_exception_;
   }
   MaybeObject* scheduled_exception() {
     ASSERT(has_scheduled_exception());
     return thread_local_top_.scheduled_exception_;
   }
   bool has_scheduled_exception() {
-    return !thread_local_top_.scheduled_exception_->IsTheHole();
+    return thread_local_top_.scheduled_exception_ != heap_.the_hole_value();
   }
   void clear_scheduled_exception() {
     thread_local_top_.scheduled_exception_ = heap_.the_hole_value();
   }
 
   bool IsExternallyCaught();
 
   bool is_catchable_by_javascript(MaybeObject* exception) {
     return (exception != Failure::OutOfMemoryException()) &&
         (exception != heap()->termination_exception());
@@ skipping 756 matching lines @@
 
 } }  // namespace v8::internal
 
 // TODO(isolates): Get rid of these -inl.h includes and place them only where
 //                 they're needed.
 #include "allocation-inl.h"
 #include "zone-inl.h"
 #include "frames-inl.h"
 
 #endif  // V8_ISOLATE_H_