[Bug c++/79556] [7 Regression] [C++1z] ICE: in unify_one_argument, at cp/pt.c:18928

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79556

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Feb 17 18:42:37 2017
New Revision: 245543

URL: https://gcc.gnu.org/viewcvs?rev=245543&root=gcc&view=rev
Log:
        PR c++/79556 - C++17 ICE with non-type auto

        * pt.c (do_auto_deduction): Don't try to deduce from null type.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1z/nontype-auto9.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c