bug#36306: 26.2.90; gnus pause doesn't show hourglass icon

[VanL]

> On 22 Jun 2019, at 22:29, Lars Ingebrigtsen <larsi@gnus.org> wrote:
> 
>> ;; C-u C-x C-e in scratch buffer 
>> (dotimes (i 100000000))
>> 
>> No hourglass appears. The summary article panel, at upper half,
>> follows the mouse pointer with highlight between square brackets
>> before nil appears, it seems.
> 
> Could you try adding a couple of zeroes before evaling again?  Perhaps
> your machine is too fast.  :-)

;; C-u C-x C-e
(dotimes (i (expt 2 45))); is still running after 4m:31s...

The mouse pointer is followed by highlight in both upper and lower panels of 
gnus as expected.