[C++ PATCH] PR c++/65923

[Ville Voutilainen]

On 3 April 2018 at 17:19, Ville Voutilainen <ville.voutilainen@gmail.com> wrote:
>     * parser.c (cp_parser_unqualified_id): Add a new parameter
>     and check it for the literal diagnostic.


As discussed on irc, we can indeed do better. With this approach, we
look at function declarations
only, so using-declarations are automatically ok, and we allow friend
declarations (that are not
definitions) and local declarations. Tested locally/partially on
Linux-x64, will test with the full suite
if this is ok. On that front.. ..where can this land? This isn't a
regression, but it's certainly a long-standing
annoyance, but mostly only for -Werror users. I can argue it both ways.

2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>

    gcc/cp

     PR c++/65923
    * decl.c (grokfndecl): Handle standard UDL diagnostics here..
    * parser.c (cp_parser_unqualified_id): ..not here.

    testsuite/

     PR c++/65923
    * g++.dg/diagnostic/pr65923.C: New.
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