bug#46819: 28.0.50; Undesireable warning: Empty let body from the `benchmark-run' implementation

[Matt Armstrong]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> It might be hard to fix in the general case.  Think about this example:
>>
>> (let (...)
>>   (some-macro blah))
>>
>> What if that macro expands to nothing,
>
> No can do.  A macro call has to expand to exactly one expression (that
> expression can be nil, but it's still one expression).
>
>         Stefan

Doh, of course.  That'd be a C macro I was thinking of...