https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69614
--- Comment #5 from ktkachov at gcc dot gnu.org --- I suspected as such. I'll try to dig deeper next week
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69614
--- Comment #5 from ktkachov at gcc dot gnu.org --- I suspected as such. I'll try to dig deeper next week