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

src/assembler.cc

 // 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 671 matching lines @@
   rinfo_.pc_ = code->instruction_start();
   rinfo_.data_ = 0;
   // Relocation info is read backwards.
   pos_ = code->relocation_start() + code->relocation_size();
   end_ = code->relocation_start();
   done_ = false;
   mode_mask_ = mode_mask;
   last_id_ = 0;
   last_position_ = 0;
   byte* sequence = code->FindCodeAgeSequence();
-  if (sequence != NULL && !Code::IsYoungSequence(sequence)) {
+  if (sequence != NULL && !Code::IsYoungSequence(sequence) &&
+      !Code::IsPreAgedSequence(sequence)) {
     code_age_sequence_ = sequence;
   } else {
     code_age_sequence_ = NULL;
   }
   if (mode_mask_ == 0) pos_ = end_;
   next();
 }
 
 
 RelocIterator::RelocIterator(const CodeDesc& desc, int mode_mask) {
@@ skipping 973 matching lines @@
     assembler_->RecordRelocInfo(RelocInfo::POSITION, state_.current_position);
     state_.written_position = state_.current_position;
     written = true;
   }
 
   // Return whether something was written.
   return written;
 }
 
 } }  // namespace v8::internal