Stefan Monnier <monnier@iro.umontreal.ca> writes:
> FWIW, I agree.  The only issue I can see here is that depending on how
> it's done, it could affect the size of the .elc files (by using two bytes
> per bytecode 0 rather than 1).  Nothing too terrible, but it's probably
> worth checking whether it does make such a difference and if so how serious
> it is.

On average it increases Emacs' .elc by ~200 bytes each, 276kB in total,
or 100.62%.