[Bug c++/85634] [8/9 Regression] ICE in tsubst_copy, at cp/pt.c:15483

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85634

--- Comment #13 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Wed Jun 20 19:22:53 2018
New Revision: 261817

URL: https://gcc.gnu.org/viewcvs?rev=261817&root=gcc&view=rev
Log:
[PR c++/85634] Fix tsubst ICE

https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01274.html
        PR c++/85634
        * friend.c (add_friend): Keep lookup sets of tempate sets.

        PR c++/85634
        * g++.dg/lookup/pr85634-2.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/lookup/pr85634-2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/friend.c
    trunk/gcc/testsuite/ChangeLog