From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8DE403857824; Sun, 20 Sep 2020 19:06:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8DE403857824 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1600628777; bh=oJWmdSFXke5B+a34TGNJKOsWrhKgsMux/I1JZ3wojJA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tdANx4ATQyPX5w3411XB1kG0EG4u7E7lzeCRE8w4TSTuaw2LxyvRwS5JruihiBNhN OeYcKRGRdqT5FlRZu5wZ8TUxwn8b7bTD49Ds2Xjq886qop4FFRAy/Yu4FiuQB4kH7r Sp5W3ZnGanNL9bD7zpA+tDHeJFq6DR6xuK3roALg= From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/97125] [11 Regression] new problem with -Wduplicated-branches Date: Sun, 20 Sep 2020 19:06:17 +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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc target_milestone keywords short_desc 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Sep 2020 19:06:17 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97125 Marek Polacek changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org Target Milestone|--- |11.0 Keywords| |ice-on-valid-code Summary|new problem with |[11 Regression] new problem |-Wduplicated-branches |with -Wduplicated-branches --- Comment #2 from Marek Polacek --- Started with r11-3302. $ ./cc1 -quiet 97125.C -Wduplicated-branches 97125.C: In function =E2=80=98a=E2=80=99: 97125.C:11:1: internal compiler error: in hash_operand, at fold-const.c:3768 11 | } | ^ 0xd67ede operand_compare::hash_operand(tree_node const*, inchash::hash&, unsigned int) /home/mpolacek/src/gcc/gcc/fold-const.c:3768 0xd6853c operand_compare::hash_operand(tree_node const*, inchash::hash&, unsigned int) /home/mpolacek/src/gcc/gcc/fold-const.c:3858 0xd686fa inchash::add_expr(tree_node const*, inchash::hash&, unsigned int) /home/mpolacek/src/gcc/gcc/fold-const.c:3919 0xac5f4c do_warn_duplicated_branches /home/mpolacek/src/gcc/gcc/c-family/c-warn.c:2768 0xac6068 do_warn_duplicated_branches_r(tree_node**, int*, void*) /home/mpolacek/src/gcc/gcc/c-family/c-warn.c:2790 0x1725206 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.c:12001 0x17269ee walk_tree_without_duplicates_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set >*)) /home/mpolacek/src/gcc/gcc/tree.c:12362 0xa67f30 c_genericize(tree_node*) /home/mpolacek/src/gcc/gcc/c-family/c-gimplify.c:537 0x951b29 finish_function(unsigned int) /home/mpolacek/src/gcc/gcc/c/c-decl.c:10219 0x9b66b7 c_parser_declaration_or_fndef /home/mpolacek/src/gcc/gcc/c/c-parser.c:2562 0x9b4a36 c_parser_external_declaration /home/mpolacek/src/gcc/gcc/c/c-parser.c:1777 0x9b4598 c_parser_translation_unit /home/mpolacek/src/gcc/gcc/c/c-parser.c:1650 0x9f28ef c_parse_file() /home/mpolacek/src/gcc/gcc/c/c-parser.c:21821 0xa8237d c_common_parse_file() /home/mpolacek/src/gcc/gcc/c-family/c-opts.c:1188=