https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87748
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| |2018-10-25
CC| |jason at gcc dot gnu.org
Ever confirmed|0 |1
Summary|G++-8 treats SFINAE as |[8/9 Regression] G++-8
|error |treats SFINAE as error
Known to fail| |8.2.0, 9.0
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This regressed with r258824
PR c++/78489 - wrong SFINAE behavior.
PR c++/84489
* pt.c (type_unification_real): Don't defer substitution failure.
