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