[Bug c++/85976] [8/9 Regression] ICE in cp_tree_equal when building Blitz. May be nested templates.

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85976

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Jun  5 13:11:00 2018
New Revision: 261200

URL: https://gcc.gnu.org/viewcvs?rev=261200&root=gcc&view=rev
Log:
        PR c++/85976
        * tree.c (cp_tree_equal): Handle USING_DECL.

        * g++.dg/cpp0x/alias-decl-64.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/alias-decl-64.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/tree.c
    trunk/gcc/testsuite/ChangeLog