https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85866
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2018-05-22 CC| |jason at gcc dot gnu.org Known to work| |7.3.0 Ever confirmed|0 |1 Known to fail| |8.1.0, 9.0 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- Started with r258824 PR c++/78489 - wrong SFINAE behavior. PR c++/84489 * pt.c (type_unification_real): Don't defer substitution failure.