340     JSHandle<TaggedArray> newArray(thread_, header);  in CopySArray()  local
341     newArray->SetLength(newLength);  in CopySArray()
342     newArray->SetExtraLength(old->GetExtraLength());  in CopySArray()
345         newArray->Set(thread_, i, old->Get(i));  in CopySArray()
348     return newArray;  in CopySArray()
363     JSHandle<TaggedArray> newArray(thread_, header);  in ExtendSArray()  local
364     newArray->SetLength(length);  in ExtendSArray()
365     newArray->SetExtraLength(old->GetExtraLength());  in ExtendSArray()
369         newArray->Set(thread_, i, old->Get(i));  in ExtendSArray()
372         newArray->Set(thread_, i, initVal);  in ExtendSArray()
374     return newArray;  in ExtendSArray()