[Bug c++/84970] [8 Regression] ICE in tsubst_copy, at cp/pt.c:15085

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84970

--- Comment #3 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Tue Mar 20 15:57:30 2018
New Revision: 258685

URL: https://gcc.gnu.org/viewcvs?rev=258685&root=gcc&view=rev
Log:
[PR c++/84970] lookup marking

https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00973.html
        PR c++/84970
        * cp-tree.h (lookup_list_keep): Declare.
        * tree.c (lookup_list_keep): New, broken out of ...
        (build_min): ... here.  Call it.
        * decl.c (cp_finish_decl): Call lookup_list_keep.

        PR c++/84970
        * g++.dg/lookup/pr84970.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/lookup/pr84970.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/decl.c
    trunk/gcc/cp/tree.c
    trunk/gcc/testsuite/ChangeLog