https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87748
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[8/9 Regression] G++-8 |[8 Regression] G++-8 treats |treats SFINAE as error |SFINAE as error --- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed on trunk so far.