Ensure that we don't mark weak heap references in the constant pool array.

src/lithium-codegen.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 158 matching lines @@
         maps.Add(map, zone());
       } else if (it.rinfo()->target_object()->IsJSObject()) {
         Handle<JSObject> object(JSObject::cast(it.rinfo()->target_object()));
         objects.Add(object, zone());
       } else if (it.rinfo()->target_object()->IsCell()) {
         Handle<Cell> cell(Cell::cast(it.rinfo()->target_object()));
         cells.Add(cell, zone());
       }
     }
   }
+  if (FLAG_enable_ool_constant_pool) {
+    code->constant_pool()->set_weak_object_state(
+        ConstantPoolArray::WEAK_OBJECTS_IN_OPTIMIZED_CODE);
+  }
 #ifdef VERIFY_HEAP
   // This disables verification of weak embedded objects after full GC.
   // AddDependentCode can cause a GC, which would observe the state where
   // this code is not yet in the depended code lists of the embedded maps.
   NoWeakObjectVerificationScope disable_verification_of_embedded_objects;
 #endif
   for (int i = 0; i < maps.length(); i++) {
     maps.at(i)->AddDependentCode(DependentCode::kWeaklyEmbeddedGroup, code);
   }
   for (int i = 0; i < objects.length(); i++) {
     AddWeakObjectToCodeDependency(isolate()->heap(), objects.at(i), code);
   }
   for (int i = 0; i < cells.length(); i++) {
     AddWeakObjectToCodeDependency(isolate()->heap(), cells.at(i), code);
   }
 }
 
 
 } }  // namespace v8::internal