Roll back all step-in-fix-related changes

src/serialize.cc

 // 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 219 matching lines @@
       Debug::k_after_break_target_address << kDebugIdShift,
       "Debug::after_break_target_address()");
   Add(Debug_Address(Debug::k_debug_break_slot_address).address(),
       DEBUG_ADDRESS,
       Debug::k_debug_break_slot_address << kDebugIdShift,
       "Debug::debug_break_slot_address()");
   Add(Debug_Address(Debug::k_debug_break_return_address).address(),
       DEBUG_ADDRESS,
       Debug::k_debug_break_return_address << kDebugIdShift,
       "Debug::debug_break_return_address()");
-  Add(Debug_Address(Debug::k_restarter_frame_function_pointer).address(),
-      DEBUG_ADDRESS,
-      Debug::k_restarter_frame_function_pointer << kDebugIdShift,
-      "Debug::restarter_frame_function_pointer_address()");
   const char* debug_register_format = "Debug::register_address(%i)";
   int dr_format_length = StrLength(debug_register_format);
   for (int i = 0; i < kNumJSCallerSaved; ++i) {
     Vector<char> name = Vector<char>::New(dr_format_length + 1);
     OS::SNPrintF(name, debug_register_format, i);
     Add(Debug_Address(Debug::k_register_address, i).address(),
         DEBUG_ADDRESS,
         Debug::k_register_address << kDebugIdShift | i,
         name.start());
   }
@@ skipping 221 matching lines @@
   ExternalReferenceTable* external_references =
       ExternalReferenceTable::instance();
   for (int i = 0; i < external_references->size(); ++i) {
     Put(external_references->address(i), i);
   }
 }
 
 
 uint32_t ExternalReferenceEncoder::Encode(Address key) const {
   int index = IndexOf(key);
-  ASSERT(key == NULL || index >= 0);
   return index >=0 ? ExternalReferenceTable::instance()->code(index) : 0;
 }
 
 
 const char* ExternalReferenceEncoder::NameOfAddress(Address key) const {
   int index = IndexOf(key);
   return index >=0 ? ExternalReferenceTable::instance()->name(index) : NULL;
 }
 
 
@@ skipping 961 matching lines @@
       fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
     }
   }
   int allocation_address = fullness_[space];
   fullness_[space] = allocation_address + size;
   return allocation_address;
 }
 
 
 } }  // namespace v8::internal