[openssl-project] Removal of NULL checks

[Salz, Rich]

>    it's NULL. Now imagine that this stack was some kind of deny list. If
>    entry producer didn't pay attention to error when creating stack and
>    putting things into it, consumer would be led to belief that there is
>    nothing to deny and let through the requests that are supposed to be
>    denied.

This is another reason why I am opposed to NULL checks.

>    Oh! Triggering factor was quite a number of unchecked pushes in apps.

Real code often doesn't check return values.  Even ours. :(