[Bug libstdc++/51365] cannot use final empty class in std::tuple

["redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51365

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-12-15 10:02:50 UTC ---
Author: redi
Date: Thu Dec 15 10:02:45 2011
New Revision: 182360

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182360
Log:
c-family:
    PR libstdc++/51365
    * c-common.c (RID_IS_FINAL): Add.
    * c-common.h (RID_IS_FINAL): Add.
cp:
    PR libstdc++/51365
    * cp-tree.h (CPTK_IS_FINAL): Add.
    * parser.c (cp_parser_translation_unit): Handle RID_IS_FINAL.
    (cp_parser_primary_expression, cp_parser_trait_expr): Likewise.
    * semantics.c (trait_expr_value, finish_trait_expr): Handle
    CPTK_IS_FINAL.
    * cxx-pretty-print.c (pp_cxx_trait_expression): Likewise.
testsuite:
    PR libstdc++/51365
    * g++.dg/ext/is_final.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/ext/is_final.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/c-family/c-common.h
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/cxx-pretty-print.c
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog