[Bug c++/99757] New: ICE when parameter pack not expanded with static_data_member

[Bug c++/99757] New: ICE when parameter pack not expanded with static_data_member

[hewillk at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

            Bug ID: 99757
           Summary: ICE when parameter pack not expanded with
                    static_data_member
           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: ---

related to PR 99745:

template <typename... Ts>
struct S {
  constexpr static auto x = Ts::x;
};

S s;

<source>:3:25: internal compiler error: in cp_finish_decl, at cp/decl.c:7736
    3 |   constexpr static auto x = Ts::x;
      |                         ^
0x1cfa799 internal_error(char const*, ...)
        ???:0
0x6ba647 fancy_abort(char const*, int, char const*)
        ???:0
0x7b2e42 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
        ???:0
0x91c9df instantiate_decl(tree_node*, bool, bool)
        ???:0
0x7b31d8 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
        ???:0
0x7c9d03 finish_static_data_member_decl(tree_node*, tree_node*, bool,
tree_node*, int)
        ???:0
0x95a530 instantiate_class_template(tree_node*)
        ???:0
0x7b2bf0 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
        ???:0
0x8e12cd c_parse_file()
        ???:0
0xa5fb72 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.

[Bug c++/99757] [9/10/11/12 Regression] ICE: in cp_finish_decl, at cp/decl.c:7736

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|ICE: in cp_finish_decl, at  |[9/10/11/12 Regression]
                   |cp/decl.c:7736              |ICE: in cp_finish_decl, at
                   |                            |cp/decl.c:7736
      Known to fail|                            |7.1.0
     Ever confirmed|0                           |1
   Target Milestone|---                         |9.5
   Last reconfirmed|                            |2022-01-09
      Known to work|                            |6.4.0
           Keywords|accepts-invalid             |error-recovery
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

[Bug c++/99757] [9/10/11/12 Regression] ICE: in cp_finish_decl, at cp/decl.c:7736

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P4

[Bug c++/99757] [10/11/12/13 Regression] ICE: in cp_finish_decl, at cp/decl.c:7736

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|9.5                         |10.4

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 9 branch is being closed

[Bug c++/99757] [10/11/12/13 Regression] ICE: in cp_finish_decl, at cp/decl.c:7736

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|10.4                        |10.5

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 10.4 is being released, retargeting bugs to GCC 10.5.

[Bug c++/99757] [11/12/13/14 Regression] ICE: in cp_finish_decl, at cp/decl.c:7736

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|10.5                        |11.5

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 10 branch is being closed.

[Bug c++/99757] [11/12/13/14 Regression] ICE: in cp_finish_decl, at cp/decl.c:7736

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99757

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed by r13-6989-gc37ed38ada788a.