bug#25154: 25.1; Bindings in cl-letf are in reverse order

[Tino Calancha]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Alex <agrambot@gmail.com>
>> Date: Fri, 09 Dec 2016 17:36:15 -0600
>> 
>> Compare the following:
>> 
>> (let ((x 5)
>>       (x 6))
>>   (+ x 10))
>> 
>> => 16
>> 
>> (cl-letf ((x 5)
>>           (x 6))
>>   (+ x 10))
>> 
>> => 15
>
> Isn't it true that the order of evaluation in a 'let' is unspecified?
> If you want a particular order, use 'let*'.
Right, the order of evaluation in a let is up to the implementation.  A program
should not rely on such details.
The same statement should apply to cl-letf.