[Bug c++/81119] New: gcc 8.0 regression: -Wshadow warns on "typedef struct foo foo;"

[dudul04 at yahoo dot fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81119

            Bug ID: 81119
           Summary: gcc 8.0 regression: -Wshadow warns on "typedef struct
                    foo foo;"
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dudul04 at yahoo dot fr
  Target Milestone: ---

Given foo.cpp:

typedef struct x x;

$ ~/install-gcc-git/bin/g++ -Wshadow foo.cpp -c

foo.cpp:1:18: warning: 'typedef struct x x' hides constructor for 'struct x'
[-Wshadow]
 typedef struct x x;
                  ^

I've bisected this to the following commit:

commit bba28d3f1cae9215736087201583b8f7d3d75721
Author: nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Tue May 23 21:15:48 2017 +0000

        * cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
        * name-lookup.c (create_local_binding): New.
        (update_binding): New.
        (pushdecl_maybe_friend_1): Rename to ...
        (do_pushdecl): ... this.  Reimplement.
        (pushdecl): Adjust.
        (push_overloaded_decl_1, push_overloaded_decl): Delete.


    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248387
138bc75d-0d04-0410-961f-82ee72b054a4