bug#18154: 24.4.50; eval-buffer ignores debug-on-error sometimes

[Stefan Kangas]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Stefan Monnier <monnier@iro.umontreal.ca> writes:
>
>>> debug-on-error is no help either.  Maybe it would be
>>> better to get rid of the message entirely.
>>
>> No: the warning is intended to turn into an error in some
>> undecided future version, so we want people to be aware of the problem
>> and fix their code accordingly.
>
> This was seven years ago -- should we start erroring about this now?

Another year has passed.  I say let's go ahead and do it.