https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87480
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Known to work| |7.3.0 Keywords| |rejects-valid Last reconfirmed| |2018-10-01 CC| |jason at gcc dot gnu.org Ever confirmed|0 |1 Summary|SFINAE constructor not |[8/9 Regression] SFINAE |matched, only in templated |constructor not matched, |function |only in templated function Known to fail| |8.2.0, 9.0 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Confirmed. Started to be rejected with r258039 PR c++/84489 - dependent default template argument * pt.c (type_unification_real): Handle early substitution failure.