https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90080
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-04-16 Known to work| |4.7.1, 7.4.0, 9.0 Summary|SFINAE failure with |[8 Regression] SFINAE |static_cast |failure with static_cast Ever confirmed|0 |1 Known to fail| |8.1.0, 8.2.0, 8.3.0 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Alex from comment #0) > This looks like a regression as a similar error is described here > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44267 Agreed. It works with GCC 7 and with trunk, but not GCC 8.