[Bug c++/79253] [7 Regression] ICE in tsubst_copy starting with r243723

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79253

--- Comment #1 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Tue Jan 31 18:05:37 2017
New Revision: 245067

URL: https://gcc.gnu.org/viewcvs?rev=245067&root=gcc&view=rev
Log:
        PR c++/67273
        PR c++/79253
        * pt.c: (instantiate_decl): Push to top level when current
        function scope doesn't match.  Only push lmabda scope stack when
        pushing to top.

        PR c++/67273
        PR c++/79253
        * g++.dg/cpp1y/pr67273.C: New.
        * g++.dg/cpp1y/pr79253.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/pr67273.C
    trunk/gcc/testsuite/g++.dg/cpp1y/pr79253.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog