From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3F8453858D35; Tue, 30 Apr 2024 20:35:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3F8453858D35 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1714509347; bh=UPsadGtoUssJcXxJQ4+8wtMyIytawh+JgxrjO7zROYc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=EPvii2Dpc0o0WyqboPC/1A1Gvn4C+/fJhdqqrX1kguq9BjZYxEcWnwtgGRXlqulOZ P09AFA+QNoYWTJZu1RKAHC7c60W+bgwu4UluftFEC6Q2gs1MP29l5oLPa3ZkLQ/sjW D3JMhXJRIzj+fmbjhJo/KDKj6h5TKOEwnGLQfLyY= From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/114901] GCC internal_error on CTAD alias Date: Tue, 30 Apr 2024 20:35:46 +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: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc bug_status cf_reconfirmed_on everconfirmed Message-ID: In-Reply-To: References: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114901 Marek Polacek changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2024-04-30 Ever confirmed|0 |1 --- Comment #1 from Marek Polacek --- Confirmed. $ ./cc1plus -quiet 114901.C -std=3Dc++20 114901.C: In static member function =E2=80=98static T::Foo(int, Y2)= -> Foo requires __is_deducible (T::AFoo, T::Foo)=E2= =80=99: 114901.C:21:23: internal compiler error: in keep_template_parm, at cp/pt.cc:10933 21 | T::AFoo s{1, 2}; | ^ 0x10dffa0 keep_template_parm /home/mpolacek/src/gcc/gcc/cp/pt.cc:10933 0x10df925 for_each_template_parm_r /home/mpolacek/src/gcc/gcc/cp/pt.cc:10740 0x1ec3aef walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set >*)) /home/mpolacek/src/gcc/gcc/tree.cc:11429 0x10dfc15 for_each_template_parm /home/mpolacek/src/gcc/gcc/cp/pt.cc:10843 0x10e0362 any_template_parm_r /home/mpolacek/src/gcc/gcc/cp/pt.cc:10975 0x10dec7e for_each_template_parm_r /home/mpolacek/src/gcc/gcc/cp/pt.cc:10632 0x1ec3aef walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set >*)) /home/mpolacek/src/gcc/gcc/tree.cc:11429 0x10dfc15 for_each_template_parm /home/mpolacek/src/gcc/gcc/cp/pt.cc:10843 0x10e07aa find_template_parameter_info::find_in(tree_node*) /home/mpolacek/src/gcc/gcc/cp/pt.cc:11023 0x10e0a22 find_template_parameters(tree_node*, tree_node*) /home/mpolacek/src/gcc/gcc/cp/pt.cc:11075 0xe2a236 build_parameter_mapping /home/mpolacek/src/gcc/gcc/cp/constraint.cc:594 0xe2aa02 normalize_atom /home/mpolacek/src/gcc/gcc/cp/constraint.cc:819 0xe2ad29 normalize_expression /home/mpolacek/src/gcc/gcc/cp/constraint.cc:886 0xe2a4c9 normalize_logical_operation /home/mpolacek/src/gcc/gcc/cp/constraint.cc:692 0xe2acb2 normalize_expression /home/mpolacek/src/gcc/gcc/cp/constraint.cc:882 0xe2ad82 get_normalized_constraints /home/mpolacek/src/gcc/gcc/cp/constraint.cc:898 0xe2ae40 get_normalized_constraints_from_info /home/mpolacek/src/gcc/gcc/cp/constraint.cc:914 0xe2b0df get_normalized_constraints_from_decl /home/mpolacek/src/gcc/gcc/cp/constraint.cc:990 0xe33953 satisfy_declaration_constraints /home/mpolacek/src/gcc/gcc/cp/constraint.cc:3378 0xe33a70 constraint_satisfaction_value /home/mpolacek/src/gcc/gcc/cp/constraint.cc:3406=