Check that external references are registered in the serializer.

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 843 matching lines @@
   // Static variables for RegExp.
   static ExternalReference address_of_static_offsets_vector(Isolate* isolate);
   static ExternalReference address_of_regexp_stack_memory_address(
       Isolate* isolate);
   static ExternalReference address_of_regexp_stack_memory_size(
       Isolate* isolate);
 
   // Static variable Heap::NewSpaceStart()
   static ExternalReference new_space_start(Isolate* isolate);
   static ExternalReference new_space_mask(Isolate* isolate);
-  static ExternalReference heap_always_allocate_scope_depth(Isolate* isolate);
-  static ExternalReference new_space_mark_bits(Isolate* isolate);
 
   // Write barrier.
   static ExternalReference store_buffer_top(Isolate* isolate);
 
   // Used for fast allocation in generated code.
   static ExternalReference new_space_allocation_top_address(Isolate* isolate);
   static ExternalReference new_space_allocation_limit_address(Isolate* isolate);
   static ExternalReference old_pointer_space_allocation_top_address(
       Isolate* isolate);
   static ExternalReference old_pointer_space_allocation_limit_address(
@@ skipping 13 matching lines @@
 
   static ExternalReference scheduled_exception_address(Isolate* isolate);
   static ExternalReference address_of_pending_message_obj(Isolate* isolate);
   static ExternalReference address_of_has_pending_message(Isolate* isolate);
   static ExternalReference address_of_pending_message_script(Isolate* isolate);
 
   // Static variables containing common double constants.
   static ExternalReference address_of_min_int();
   static ExternalReference address_of_one_half();
   static ExternalReference address_of_minus_one_half();
-  static ExternalReference address_of_minus_zero();
-  static ExternalReference address_of_zero();
-  static ExternalReference address_of_uint8_max_value();
   static ExternalReference address_of_negative_infinity();
   static ExternalReference address_of_canonical_non_hole_nan();
   static ExternalReference address_of_the_hole_nan();
   static ExternalReference address_of_uint32_bias();
 
   static ExternalReference math_log_double_function(Isolate* isolate);
 
   static ExternalReference math_exp_constants(int constant_index);
   static ExternalReference math_exp_log_table();
 
@@ skipping 208 matching lines @@
 
  private:
   int32_t multiplier_;
   int32_t shift_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_