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 92425385BF9E; Wed, 24 Mar 2021 05:18:06 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 92425385BF9E
From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/99745] New: ICE when parameter pack not expanded in bit field
Date: Wed, 24 Mar 2021 05:18:06 +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: <bug-99745-4@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: Wed, 24 Mar 2021 05:18:06 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99745

            Bug ID: 99745
           Summary: ICE when parameter pack not expanded in bit field
           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/dz1bcxhYf

template <typename... Ts>
struct S {=20
  int a : sizeof(Ts);=20
};

S s;


<source>:3:11: internal compiler error: in dependent_type_p, at cp/pt.c:267=
75
    3 |   int a : sizeof(Ts);
      |           ^~~~~~~~~~
0x1cfa409 internal_error(char const*, ...)
        ???:0
0x6ba5f7 fancy_abort(char const*, int, char const*)
        ???:0
0x8f91c8 dependent_type_p(tree_node*)
        ???:0
0x9c3a1f cxx_sizeof_or_alignof_type(unsigned int, tree_node*, tree_code, bo=
ol,
bool)
        ???:0
0x9164a7 tsubst(tree_node*, tree_node*, int, tree_node*)
        ???:0
0x95a1a6 instantiate_class_template(tree_node*)
        ???:0
0x7b2bd0 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
        ???:0
0x8e111d c_parse_file()
        ???:0
0xa5f9c2 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 <https://gcc.gnu.org/bugs/> for instructions.=