Well, I was looking on youtube at characters movesets and I decided to watch Link's. Now these videos not only have the movesets but also have the character's final smash. So I was very surprised to see that at the end of the video, Link did his final smash and yoshi didn't die!
Now, I am aware that if the victim hits an object whille they are flying away, they may be saved. But the field for this demonstration was final destination, and yoshi didn't hit anything as he was sent flying! Here's the link to the video: