[Bug c++/87531] [8/9 Regression] assignment operator does nothing if performed as a call via operator=

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87531

--- Comment #10 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Thu Dec 13 15:57:24 2018
New Revision: 267096

URL: https://gcc.gnu.org/viewcvs?rev=267096&root=gcc&view=rev
Log:
[PR c++/87531] Fix second bug

https://gcc.gnu.org/ml/gcc-patches/2018-12/msg00929.html

        PR c++/87531
        * class.c (finish_struct): Set DECL_CONTEXT of template assign op.
        * name-lookup.c (get_class_binding_direct): Don't strip using-decl
        of overload here.
        * parser.c (cp_parser_postfix_expression): Cope with using decl in
        overload set.
        * semantics.c (finish_id_expr): Likewise.

        * g++.dg/lookup/pr87531-2.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/lookup/pr87531-2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/class.c
    trunk/gcc/cp/name-lookup.c
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog