Revert "Unification: introduce ExternalReference::pending_exception_address()."

src/top.h

 // Copyright 2006-2008 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 124 matching lines @@
   v8::FailedAccessCheckCallback failed_access_check_callback_;
 
  private:
   Address try_catch_handler_address_;
 };
 
 #define TOP_ADDRESS_LIST(C)            \
   C(handler_address)                   \
   C(c_entry_fp_address)                \
   C(context_address)                   \
+  C(pending_exception_address)         \
   C(external_caught_exception_address)
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 #define TOP_ADDRESS_LIST_PROF(C)       \
   C(js_entry_sp_address)
 #else
 #define TOP_ADDRESS_LIST_PROF(C)
 #endif
 
 
@@ skipping 434 matching lines @@
   static void Unlock() { Top::break_access_->Unlock(); }
 
   static bool TryLock() {
     return Top::break_access_->TryLock();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_TOP_H_