[Bug c++/81215] [7/8 Regression] deduction failure with variadic template template parameter

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81215

--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Mon Jun 26 18:49:18 2017
New Revision: 249664

URL: https://gcc.gnu.org/viewcvs?rev=249664&root=gcc&view=rev
Log:
        PR c++/81215 - deduction failure with variadic TTP.

        * pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-ttp7.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c