Incorrect Result: Mutation with a tensor or tensor slice
![image](https://user-images.githubusercontent.com/72015476/115215836-ce1a5600-a0fb-11eb-9b3d-b5040d6b6d90.png)

Result:
![image](https://user-images.githubusercontent.com/72015476/115215915-e4c0ad00-a0fb-11eb-9f85-1301d5b25624.png)

The result should be: 
![image](https://user-images.githubusercontent.com/72015476/115216577-89db8580-a0fc-11eb-84b3-f03c600f75c8.png)
