[Bug c++/72707] [5/6/7 regression] local anonymous union member hides names in the same scope

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72707

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec 21 22:49:59 2016
New Revision: 243877

URL: https://gcc.gnu.org/viewcvs?rev=243877&root=gcc&view=rev
Log:
        PR c++/72707
        * name-lookup.c (pushdecl_maybe_friend_1): Do check shadowing of
        artificial x if it is an anonymous union variable.

        * g++.dg/warn/Wshadow-12.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wshadow-12.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/name-lookup.c
    trunk/gcc/testsuite/ChangeLog