bug#28898: 27.0.50; rgrep + icomplete => (cl-assertion-failed (functionp table))

[Dmitry Alexandrov]

>> From: Dmitry Alexandrov <321942@gmail.com>
>> Date: Thu, 19 Oct 2017 04:57:30 +0300
>> 
>> Steps to reproduce:
>> 
>> $ cd /
>> $ emacs -Q
>> M-x icomplete-mode
>> M-x rgrep foo RET e
>> 
>> (Where ‘foo’ is arbitrary text and ‘e’ is the first letter of one of
>> possible completions.  In this example that would be ‘etc’.)
>> 
>> Got an ‘Error in post-command-hook (icomplete-post-command-hook): 
>> (cl-assertion-failed (functionp table))’.
>
> Thanks.  Does the fix posted in the referenced bug prevent the error?
> (See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=16274#62.)

It does!  Thanks a lot.