https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119863
Nathaniel Shead <nshead at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[15/16 Regression][modules] |[15 Regression][modules] |Bogus conflicting friend |Bogus conflicting friend |template declaration |template declaration --- Comment #6 from Nathaniel Shead <nshead at gcc dot gnu.org> --- Fixed on 16 so far. I'll backport for 15.2 after the release (it's probably a bit late to get in 15.1 by now).