https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59480

--- Comment #21 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Tue Aug  7 16:40:18 2018
New Revision: 263361

URL: https://gcc.gnu.org/viewcvs?rev=263361&root=gcc&view=rev
Log:
/cp
2018-08-07  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/59480, DR 136
        * decl.c (check_no_redeclaration_friend_default_args): New.
        (duplicate_decls): Use the latter; also check that a friend
        declaration specifying default arguments is a definition.

/testsuite
2018-08-07  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/59480, DR 136
        * g++.dg/other/friend8.C: New.
        * g++.dg/other/friend9.C: Likewise.
        * g++.dg/other/friend10.C: Likewise.
        * g++.dg/other/friend11.C: Likewise.
        * g++.dg/other/friend12.C: Likewise.
        * g++.dg/other/friend13.C: Likewise.
        * g++.dg/other/friend14.C: Likewise.
        * g++.dg/other/friend15.C: Likewise.
        * g++.dg/parse/defarg4.C: Compile with -fpermissive -w.
        * g++.dg/parse/defarg8.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/other/friend10.C
    trunk/gcc/testsuite/g++.dg/other/friend11.C
    trunk/gcc/testsuite/g++.dg/other/friend12.C
    trunk/gcc/testsuite/g++.dg/other/friend13.C
    trunk/gcc/testsuite/g++.dg/other/friend14.C
    trunk/gcc/testsuite/g++.dg/other/friend15.C
    trunk/gcc/testsuite/g++.dg/other/friend8.C
    trunk/gcc/testsuite/g++.dg/other/friend9.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/parse/defarg4.C
    trunk/gcc/testsuite/g++.dg/parse/defarg8.C

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