Some yesterday's commit in master broke the display of the text that uses
the font "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso10646-*"
in GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Linux Mint 19

Screenshot: