[Bug c++/81843] [8 Regression] ICE on valid C++11 code with variadic templates: in tsubst_pack_expansion, at cp/pt.c:11524

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81843

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Wed Jan 17 18:08:05 2018
New Revision: 256808

URL: https://gcc.gnu.org/viewcvs?rev=256808&root=gcc&view=rev
Log:
        PR c++/81843 - ICE with variadic member template.

        PR c++/72801
        * pt.c (unify_pack_expansion): Don't try to deduce enclosing
        template args.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp0x/variadic171.C
Modified:
    branches/gcc-7-branch/gcc/cp/ChangeLog
    branches/gcc-7-branch/gcc/cp/pt.c