https://bugzilla.redhat.com/show_bug.cgi?id=1786596
--- Comment #4 from Takehiko Abe abetakehiko@gmail.com --- (In reply to Peng Wu from comment #3)
Could you also report this issue to pango upstream?
I just opened an issue at gitlab.gnome.org:
https://gitlab.gnome.org/GNOME/pango/issues/454