From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 41E8B385734A; Fri, 29 Apr 2022 05:32:23 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 41E8B385734A
From: "guojiufu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/105418] debug_tree does not support well for
 std::construct_at
Date: Fri, 29 Apr 2022 05:32:23 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: trivial
X-Bugzilla-Who: guojiufu at gcc dot gnu.org
X-Bugzilla-Status: WAITING
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P5
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-105418-4-735eZQd7Ls@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-105418-4@http.gcc.gnu.org/bugzilla/>
References: <bug-105418-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Fri, 29 Apr 2022 05:32:23 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105418

--- Comment #5 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
0x1089f887 dump_substitution
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/error.cc:1654
0x108a1c2f dump_function_decl
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/error.cc:1817
0x1089e187 dump_decl
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/error.cc:1385
0x108aa8df decl_as_string(tree_node*, int)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/error.cc:3146
0x1094d6ef trees_out::insert(tree_node*, walk_kind)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:4801
0x1096300f trees_out::decl_node(tree_node*, walk_kind)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:8582
0x10965da3 trees_out::tree_node(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:9104
0x109542c7 trees_out::core_vals(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:5924
0x10959d4f trees_out::tree_node_vals(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:7074
0x10964dab trees_out::tree_value(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:8911
0x10965ddf trees_out::tree_node(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:9109
0x109542c7 trees_out::core_vals(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:5924
0x10959d4f trees_out::tree_node_vals(tree_node*)
        /home/guojiufu/gcc/gcc-mainline-base/gcc/cp/module.cc:7074
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


Hi Andrew and Richard,

Thanks a lot!=20
This issue happens when calling debug_tree/decl_as_string manually inside F=
E.=20
At where overloaded functions (::new) are not resolved yet, and then cause
'tsubst' to be called.=20
I see, it is not a good place to use debug_tree.=