Remove obsolete debug code and add new one.

src/objects.cc

 // Copyright 2012 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 8516 matching lines @@
     VisitPointer(&stub);
   }
 }
 
 
 void ObjectVisitor::VisitCodeEntry(Address entry_address) {
   Object* code = Code::GetObjectFromEntryAddress(entry_address);
   Object* old_code = code;
   VisitPointer(&code);
   if (code != old_code) {
+    // TODO(mstarzinger): Active in release mode to flush out problems.
+    // Should be turned back into an ASSERT or removed completely.
+    Page* target_page = Page::FromAddress(reinterpret_cast<Address>(code));
+    CHECK(!target_page->IsEvacuationCandidate());
     Memory::Address_at(entry_address) = reinterpret_cast<Code*>(code)->entry();
   }
 }
 
 
 void ObjectVisitor::VisitGlobalPropertyCell(RelocInfo* rinfo) {
   ASSERT(rinfo->rmode() == RelocInfo::GLOBAL_PROPERTY_CELL);
   Object* cell = rinfo->target_cell();
   Object* old_cell = cell;
   VisitPointer(&cell);
@@ skipping 5308 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal