bug#32108: 27.0.50; Insertion of char from input method during macro invocation duplicates the char

[Eli Zaretskii]

> From: Filipp Gunbin <fgunbin@fastmail.fm>
> Date: Tue, 10 Jul 2018 01:41:01 +0300
> 
> 
> emacs -Q
> C-u C-\ russian-computer
> C-x (
> <type any letter>
> C-x )
> C-x e
> 
> The last command inserts two chars instead of one.
> 
> 
> In GNU Emacs 27.0.50 (build 2, x86_64-apple-darwin17.6.0)
> Repository revision: 6ffc6a698f5d425e402c35010394cdb17d8888ce
> System Description:  Mac OS X 10.13.5

Thanks.  I see this in the current emacs-26 branch as well.  If you
can afford it, would you please bisect this bug?  I'd like to at least
know how long ago did we break this (I'm afraid not too long).