* [Bug c++/109790] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
@ 2023-05-09 16:12 ` eric.niebler at gmail dot com
2023-05-09 16:18 ` pinskia at gcc dot gnu.org
` (6 subsequent siblings)
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From: eric.niebler at gmail dot com @ 2023-05-09 16:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
--- Comment #1 from Eric Niebler <eric.niebler at gmail dot com> ---
Possible dupe of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100632
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
2023-05-09 16:12 ` [Bug c++/109790] " eric.niebler at gmail dot com
@ 2023-05-09 16:18 ` pinskia at gcc dot gnu.org
2023-05-09 19:39 ` pinskia at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-05-09 16:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
reducing ...
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
2023-05-09 16:12 ` [Bug c++/109790] " eric.niebler at gmail dot com
2023-05-09 16:18 ` pinskia at gcc dot gnu.org
@ 2023-05-09 19:39 ` pinskia at gcc dot gnu.org
2023-05-09 22:25 ` [Bug c++/109790] [11/12/13/14 Regression] " pinskia at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-05-09 19:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |c++-lambda,
| |ice-on-valid-code
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Eric Niebler from comment #1)
> Possible dupe of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100632
It is unrelated. it seems more lambda related while I am reducing it.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] [11/12/13/14 Regression] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
` (2 preceding siblings ...)
2023-05-09 19:39 ` pinskia at gcc dot gnu.org
@ 2023-05-09 22:25 ` pinskia at gcc dot gnu.org
2023-05-09 22:54 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-05-09 22:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Target Milestone|--- |11.4
Last reconfirmed| |2023-05-09
Ever confirmed|0 |1
Keywords| |needs-bisection
Known to fail| |10.1.0, 11.1.0, 8.5.0,
| |9.3.0
Summary|internal compiler error in |[11/12/13/14 Regression]
|write_member_name, at |internal compiler error in
|cp/mangle.cc:2992 |write_member_name, at
| |cp/mangle.cc:2992
Known to work| |10.3.0, 10.4.0, 9.4.0,
| |9.5.0
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced:
```
auto ll = [](auto ... ){};
template <class _Impl, class _Args>
void mm(void (_Impl::*__p)(_Args) const);
template <class _Ts>
using __impl_for = decltype(mm(&decltype(ll)::operator()<_Ts>));
template <class _Ts> __impl_for<_Ts> f() { }
void aaa() {
f<int>();
}
```
as far as I can tell the above is valid C++17 code.
It was rejected in 10.1.0, 9.3.0 8.5.0 and started to ICE in 11.1.0. But it was
accepted in 10.3.0 10.4.0 9.5.0 9.4.0.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] [11/12/13/14 Regression] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
` (3 preceding siblings ...)
2023-05-09 22:25 ` [Bug c++/109790] [11/12/13/14 Regression] " pinskia at gcc dot gnu.org
@ 2023-05-09 22:54 ` mpolacek at gcc dot gnu.org
2023-05-10 7:06 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2023-05-09 22:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords|needs-bisection |
CC| |mpolacek at gcc dot gnu.org
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
In GCC 11, the code in comment 4 started to be accepted with r11-2420:
commit 2c58f5cadfac338a67723fd6e41c9097760c4a33
Author: Patrick Palka <ppalka@redhat.com>
Date: Wed Jul 29 22:06:44 2020 -0400
c++: overload sets and placeholder return type [PR64194]
and started to ICE with r11-6301:
commit 027935eec43173a89cd3eeace0b51967288ac075
Author: Jason Merrill <jason@redhat.com>
Date: Mon Dec 21 17:31:16 2020 -0500
c++: Add some asserts in mangle.c
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] [11/12/13/14 Regression] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
` (4 preceding siblings ...)
2023-05-09 22:54 ` mpolacek at gcc dot gnu.org
@ 2023-05-10 7:06 ` rguenth at gcc dot gnu.org
2023-05-16 12:33 ` ppalka at gcc dot gnu.org
2023-05-29 10:08 ` jakub at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-05-10 7:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] [11/12/13/14 Regression] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
` (5 preceding siblings ...)
2023-05-10 7:06 ` rguenth at gcc dot gnu.org
@ 2023-05-16 12:33 ` ppalka at gcc dot gnu.org
2023-05-29 10:08 ` jakub at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: ppalka at gcc dot gnu.org @ 2023-05-16 12:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ppalka at gcc dot gnu.org
--- Comment #6 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Here's a non-lambda version that ICEs in the same spot:
struct A {
template<class T> void operator+(T);
};
template<class T>
decltype(&A::operator+<T>) f();
int main() {
f<int>();
}
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/109790] [11/12/13/14 Regression] internal compiler error in write_member_name, at cp/mangle.cc:2992
2023-05-09 16:11 [Bug c++/109790] New: internal compiler error in write_member_name, at cp/mangle.cc:2992 eric.niebler at gmail dot com
` (6 preceding siblings ...)
2023-05-16 12:33 ` ppalka at gcc dot gnu.org
@ 2023-05-29 10:08 ` jakub at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2023-05-29 10:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109790
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|11.4 |11.5
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 11.4 is being released, retargeting bugs to GCC 11.5.
^ permalink raw reply [flat|nested] 9+ messages in thread