From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BAA8E3851C0B; Fri, 19 Mar 2021 09:10:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BAA8E3851C0B From: "hewillk at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/99659] New: internal compiler error: tree check: expected tree that contains 'decl common' structure, have 'error_mark' in synthesize_implicit_template_parm, at cp/parser.c:45415 Date: Fri, 19 Mar 2021 09:10:06 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: hewillk at gmail 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 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: Fri, 19 Mar 2021 09:10:06 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99659 Bug ID: 99659 Summary: internal compiler error: tree check: expected tree that contains 'decl common' structure, have 'error_mark' in synthesize_implicit_template_parm, at cp/parser.c:45415 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: hewillk at gmail dot com Target Milestone: --- https://godbolt.org/z/qePTPh =3D=3D=3D=3D template <...args> bar(auto); =3D=3D=3D=3D :1:11: error: expected identifier before '...' token 1 | template <...args> bar(auto); | ^~~ :1:24: internal compiler error: tree check: expected tree that cont= ains 'decl common' structure, have 'error_mark' in synthesize_implicit_template_parm, at cp/parser.c:45415 1 | template <...args> bar(auto); | ^~~~ 0x1cfa259 internal_error(char const*, ...) ???:0 0x67bb5d tree_contains_struct_check_failed(tree_node const*, tree_node_structure_enum, char const*, int, char const*) ???:0 0x8e136d c_parse_file() ???:0 0xa5f962 c_common_parse_file() ???:0 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=