Enable preaging of code objects when --optimize-for-size.

src/arm/assembler-arm-inl.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 189 matching lines @@
   if (mode == UPDATE_WRITE_BARRIER && host() != NULL) {
     // TODO(1550) We are passing NULL as a slot because cell can never be on
     // evacuation candidate.
     host()->GetHeap()->incremental_marking()->RecordWrite(
         host(), NULL, cell);
   }
 }
 
 
 static const int kNoCodeAgeSequenceLength = 3;
+static const int kPreAgeCodeNopType = lr.code();
+static const int kNoAgeCodeNopType = ip.code();
+
 
 Code* RelocInfo::code_age_stub() {
   ASSERT(rmode_ == RelocInfo::CODE_AGE_SEQUENCE);
   return Code::GetCodeFromTargetAddress(
       Memory::Address_at(pc_ + Assembler::kInstrSize *
                          (kNoCodeAgeSequenceLength - 1)));
 }
 
 
 void RelocInfo::set_code_age_stub(Code* stub) {
@@ skipping 297 matching lines @@
 
 
 void Assembler::set_target_address_at(Address pc, Address target) {
   set_target_pointer_at(pc, target);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_INL_H_