From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 94B51386F037; Mon, 29 Jun 2020 18:47:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 94B51386F037 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1593456455; bh=LVyAmoCQXd06I5+clpE7o1wzb6vD32D56QKQFVzjkao=; h=From:To:Subject:Date:From; b=fFH3vbtqhYkBAO0t06s1sGYtCLz1bPWnRrpdXJoHCUoHzFR3EnXoNINTaaAN9v1XM nw31Yxl2qEy+ggx41t/LR9qJCnle6m7OJYzUDYxVKWtPm1lircR5Mg7gVPfvEOqpyl kVMYNCzIxQ6Rhr59ZMPbo3dASskcKjHer4fNWI2k= From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/95985] New: [11 Regression] ICE: tree check: expected tree_list, have error_mark in common_handle_aligned_attribute, at c-family/c-attribs.c:1980 Date: Mon, 29 Jun 2020 18:47:35 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter target_milestone Message-ID: 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: Mon, 29 Jun 2020 18:47:35 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95985 Bug ID: 95985 Summary: [11 Regression] ICE: tree check: expected tree_list, have error_mark in common_handle_aligned_attribute, at c-family/c-attribs.c:1980 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- g++-11.0.0-alpha20200628 snapshot (g:b26fd416fb0a734d3f3e56629b6dff2e3c25dd= 40) ICEs when compiling the following testcase, extracted from test/std/utilities/variant/variant.variant/variant_void.fail.cpp from the libcxx 10.0.0 test suite: template struct pf { struct sr; alignas (sr) int ci; }; pf ci; % g++-11.0.0 -c hdbdodhk.cpp hdbdodhk.cpp: In instantiation of 'struct pf': hdbdodhk.cpp:7:9: required from here hdbdodhk.cpp:4:12: error: invalid application of '__alignof__' to incomplete type 'pf::sr' 4 | alignas (sr) int ci; | ^~ hdbdodhk.cpp:4:20: internal compiler error: tree check: expected tree_list, have error_mark in common_handle_aligned_attribute, at c-family/c-attribs.c:1980 4 | alignas (sr) int ci; | ^~ 0x7c7f86 tree_check_failed(tree_node const*, char const*, int, char const*, ...) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/tree.c:9685 0x6b475b tree_check(tree_node*, char const*, int, char const*, tree_code) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/tree.h:3301 0x6b475b common_handle_aligned_attribute =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/c-family/c-attribs.c:1980 0xaa3247 decl_attributes(tree_node**, tree_node*, int, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/attribs.c:714 0x92e187 cplus_decl_attributes(tree_node**, tree_node*, int) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/decl2.c:1601 0xa0cb99 tsubst_decl =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/pt.c:14379 0xa303cd instantiate_class_template_1 =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/pt.c:11843 0xa317f2 instantiate_class_template(tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/pt.c:12098 0xa7a109 complete_type(tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/typeck.c:137 0x8fc4a3 start_decl_1(tree_node*, bool) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/decl.c:5490 0x91e888 start_decl(cp_declarator const*, cp_decl_specifier_seq*, int, tree_node*, tree_node*, tree_node**) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/decl.c:5453 0x9ce4b1 cp_parser_init_declarator =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/parser.c:20818 0x9aeb76 cp_parser_simple_declaration =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/parser.c:13785 0x9d92f6 cp_parser_declaration =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/parser.c:13484 0x9d9a4f cp_parser_translation_unit =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/parser.c:4761 0x9d9a4f c_parse_file() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/cp/parser.c:44043 0xaf677b c_common_parse_file() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200628/work/gcc-11-20200628/gc= c/c-family/c-opts.c:1190=