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* [Bug c++/101595] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13124
@ 2021-07-23  6:59 hewillk at gmail dot com
  2021-07-23  7:51 ` [Bug c++/101595] " marxin at gcc dot gnu.org
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: hewillk at gmail dot com @ 2021-07-23  6:59 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101595

            Bug ID: 101595
           Summary: ICE: in tsubst_pack_expansion, at cp/pt.c:13124
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hewillk at gmail dot com
  Target Milestone: ---

template<class>
concept C = true;

auto apply(auto f, auto... args) {
  f(args...);
}

auto f(auto) {
  apply(
    [](auto... x) {
      ([] { if constexpr (C<decltype(x)>); }(), ...);
    }, 0);
}

int main() {
  f(0);
}

https://godbolt.org/z/eGjzePdf4

<source>: In instantiation of 'f<int>(int)::<lambda(auto:4 ...)> [with auto:4 =
{int}]':
<source>:5:4:   required from 'auto apply(auto:1, auto:2 ...) [with auto:1 =
f<int>(int)::<lambda(auto:4 ...)>; auto:2 = {int}]'
<source>:9:8:   required from 'auto f(auto:3) [with auto:3 = int]'
<source>:16:4:   required from here
<source>:10:12: internal compiler error: in tsubst_pack_expansion, at
cp/pt.c:13124
   10 |     [](auto... x) {
      |        ~~~~^~~~~
0x1d75749 internal_error(char const*, ...)
        ???:0
0x72daa7 fancy_abort(char const*, int, char const*)
        ???:0
0x9a9f67 tsubst_pack_expansion(tree_node*, tree_node*, int, tree_node*)
        ???:0
0x9a9cb7 tsubst_pack_expansion(tree_node*, tree_node*, int, tree_node*)
        ???:0
0x995c67 instantiate_decl(tree_node*, bool, bool)
        ???:0
0x83defe maybe_instantiate_decl(tree_node*)
        ???:0
0x83f660 mark_used(tree_node*, int)
        ???:0
0x759055 build_op_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, int)
        ???:0
0x9fc005 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ???:0
0x995c67 instantiate_decl(tree_node*, bool, bool)
        ???:0
0x83defe maybe_instantiate_decl(tree_node*)
        ???:0
0x83f660 mark_used(tree_node*, int)
        ???:0
0x754867 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
        ???:0
0x9fc18c finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ???:0
0x995c67 instantiate_decl(tree_node*, bool, bool)
        ???:0
0x83defe maybe_instantiate_decl(tree_node*)
        ???:0
0x83f660 mark_used(tree_node*, int)
        ???:0
0x754867 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
        ???:0
0x9fc18c finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ???:0
0x95b245 c_parse_file()
        ???:0
Please submit a full bug report,
with preprocessed source if appropriate.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug c++/101595] ICE: in tsubst_pack_expansion, at cp/pt.c:13124
  2021-07-23  6:59 [Bug c++/101595] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13124 hewillk at gmail dot com
@ 2021-07-23  7:51 ` marxin at gcc dot gnu.org
  2021-10-02  7:15 ` pinskia at gcc dot gnu.org
  2021-10-03  1:26 ` ppalka at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-07-23  7:51 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101595

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jason at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
   Last reconfirmed|                            |2021-07-23
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed, started with r9-6542-gf869f40780836d17, it was rejected before the
revision.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug c++/101595] ICE: in tsubst_pack_expansion, at cp/pt.c:13124
  2021-07-23  6:59 [Bug c++/101595] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13124 hewillk at gmail dot com
  2021-07-23  7:51 ` [Bug c++/101595] " marxin at gcc dot gnu.org
@ 2021-10-02  7:15 ` pinskia at gcc dot gnu.org
  2021-10-03  1:26 ` ppalka at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-10-02  7:15 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101595

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-bisection
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=101764

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This seems to be fixed on the trunk. I suspect  r12-3488-gc8b2b89358481d36755.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug c++/101595] ICE: in tsubst_pack_expansion, at cp/pt.c:13124
  2021-07-23  6:59 [Bug c++/101595] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13124 hewillk at gmail dot com
  2021-07-23  7:51 ` [Bug c++/101595] " marxin at gcc dot gnu.org
  2021-10-02  7:15 ` pinskia at gcc dot gnu.org
@ 2021-10-03  1:26 ` ppalka at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: ppalka at gcc dot gnu.org @ 2021-10-03  1:26 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101595

Patrick Palka <ppalka at gcc dot gnu.org> changed:

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

--- Comment #3 from Patrick Palka <ppalka at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> This seems to be fixed on the trunk. I suspect 
> r12-3488-gc8b2b89358481d36755.

Indeed it's fixed by that commit, and the testcase is very similar to PR101764.
 I suppose I'll mark this one as a dup then.

*** This bug has been marked as a duplicate of bug 101764 ***

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-10-03  1:26 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-23  6:59 [Bug c++/101595] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13124 hewillk at gmail dot com
2021-07-23  7:51 ` [Bug c++/101595] " marxin at gcc dot gnu.org
2021-10-02  7:15 ` pinskia at gcc dot gnu.org
2021-10-03  1:26 ` ppalka at gcc dot gnu.org

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