[Bug c++/84489] [6/7 Regression] Non-type template parameter dependency

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84489

--- Comment #11 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Mar 23 22:03:51 2018
New Revision: 258824

URL: https://gcc.gnu.org/viewcvs?rev=258824&root=gcc&view=rev
Log:
        PR c++/78489 - wrong SFINAE behavior.

        PR c++/84489
        * pt.c (type_unification_real): Don't defer substitution failure.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/fntmpdefarg4a.C
    trunk/gcc/testsuite/g++.dg/cpp0x/sfinae60.C
    trunk/gcc/testsuite/g++.dg/cpp0x/sfinae61.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c