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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/111471] Incorrect NTTP printing in the error messages
Date: Wed, 20 Sep 2023 16:11:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111471

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>:

https://gcc.gnu.org/g:75c4b0cde4835b45350da0a5cd82f1d1a0a7a2f1

commit r14-4178-g75c4b0cde4835b45350da0a5cd82f1d1a0a7a2f1
Author: Patrick Palka <ppalka@redhat.com>
Date:   Wed Sep 20 12:09:36 2023 -0400

    c++: improve class NTTP object pretty printing [PR111471]

    1. Move class NTTP object pretty printing to a more general spot in
       the pretty printer, so that we always print its value instead of
       its (mangled) name even when it appears outside of a template
       argument list.
    2. Print the type of an class NTTP object alongside its CONSTRUCTOR
       value, like dump_expr would have done.
    3. Don't print const VIEW_CONVERT_EXPR wrappers for class NTTPs.

            PR c++/111471

    gcc/cp/ChangeLog:

            * cxx-pretty-print.cc (cxx_pretty_printer::expression)
            <case VAR_DECL>: Handle class NTTP objects by printing
            their type and value.
            <case VIEW_CONVERT_EXPR>: Strip const VIEW_CONVERT_EXPR
            wrappers for class NTTPs.
            (pp_cxx_template_argument_list): Don't handle class NTTP
            objects here.

    gcc/testsuite/ChangeLog:

            * g++.dg/concepts/diagnostic19.C: New test.=