https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91923
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[9/10 Regression] |[9 Regression] |Failure-to-SFINAE with |Failure-to-SFINAE with |class type NTTP in C++17 |class type NTTP in C++17 --- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Fixed on trunk so far.