883   bool is_observed = function->map()->is_observed();  in SetFunctionPrototype()  local
884   if (is_observed) {  in SetFunctionPrototype()
894   if (is_observed && !old_value->SameValue(*value)) {  in SetFunctionPrototype()
982     Handle<Object> value, bool is_observed, Handle<Object> old_value) {  in ReplaceAccessorWithDataProperty()  argument
988   if (is_observed && !old_value->SameValue(*value)) {  in ReplaceAccessorWithDataProperty()
999   bool is_observed = function->map()->is_observed();  in SetFunctionLength()  local
1000   if (is_observed) {  in SetFunctionLength()
1006                                          value, is_observed, old_value);  in SetFunctionLength()
1061   bool is_observed = function->map()->is_observed();  in SetFunctionName()  local
1062   if (is_observed) {  in SetFunctionName()
1068                                          value, is_observed, old_value);  in SetFunctionName()