Add OptimizedCodeList and DeoptimizedCodeList to native contexts. Both lists are weak. This makes i…

src/objects.cc

 // Copyright 2013 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 11379 matching lines @@
     Isolate* isolate,
     DependentCode::DependencyGroup group) {
   ASSERT(AllowCodeDependencyChange::IsAllowed());
   DisallowHeapAllocation no_allocation_scope;
   DependentCode::GroupStartIndexes starts(this);
   int start = starts.at(group);
   int end = starts.at(group + 1);
   int code_entries = starts.number_of_entries();
   if (start == end) return;
 
-  // Collect all the code to deoptimize.
-  Zone zone(isolate);
-  ZoneList<Code*> codes(end - start, &zone);
+  // Mark all the code that needs to be deoptimized.
+  bool marked = false;
   for (int i = start; i < end; i++) {
     if (is_code_at(i)) {
       Code* code = code_at(i);
-      if (!code->marked_for_deoptimization()) codes.Add(code, &zone);
+      if (!code->marked_for_deoptimization()) {
+        code->set_marked_for_deoptimization(true);
+        marked = true;
+      }
     } else {
       CompilationInfo* info = compilation_info_at(i);
       info->AbortDueToDependencyChange();
     }
   }
   // Compact the array by moving all subsequent groups to fill in the new holes.
   for (int src = end, dst = start; src < code_entries; src++, dst++) {
     copy(src, dst);
   }
   // Now the holes are at the end of the array, zap them for heap-verifier.
   int removed = end - start;
   for (int i = code_entries - removed; i < code_entries; i++) {
     clear_at(i);
   }
   set_number_of_entries(group, 0);
-  Deoptimizer::DeoptimizeCodeList(isolate, &codes);
+
+  if (marked) Deoptimizer::DeoptimizeMarkedCode(isolate);
 }
 
 
 Handle<Object> JSObject::SetPrototype(Handle<JSObject> object,
                                       Handle<Object> value,
                                       bool skip_hidden_prototypes) {
 #ifdef DEBUG
   int size = object->Size();
 #endif
 
@@ skipping 4587 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal