bug#38753: 27.0.60; cl--random-state uncontrolled growth due to bignums

[Eli Zaretskii]

> From: Pip Cet <pipcet@gmail.com>
> Date: Sun, 29 Dec 2019 17:33:59 +0000
> Cc: 38753@debbugs.gnu.org
> 
> That looks excellent. Maybe we should be using a cryptographic RNG by
> default, though?

Are you aware that we already init the random seed using system
entropy and/or cryptographic RNG?  See init_random.