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* [Bug c++/99815] New: ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193
@ 2021-03-29 10:56 hewillk at gmail dot com
2021-03-29 17:56 ` [Bug c++/99815] [11 Regression] " mpolacek at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: hewillk at gmail dot com @ 2021-03-29 10:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99815
Bug ID: 99815
Summary: ICE: in placeholder_type_constraint_dependent_p, at
cp/pt.c:28193
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/4vx18beMW
template <typename...> concept C = true;
template <typename... Ts>
auto bar(Ts...) { C<Ts...> auto x = 0; }
<source>:4:37: internal compiler error: in
placeholder_type_constraint_dependent_p, at cp/pt.c:28193
4 | auto bar(Ts...) { C<Ts...> auto x = 0; }
| ^
0x1cfb7f9 internal_error(char const*, ...)
???:0
0x6ba871 fancy_abort(char const*, int, char const*)
???:0
0x90a81a do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
???:0
0x7b1dd4 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
???:0
0x8e12ad c_parse_file()
???:0
0xa600a2 c_common_parse_file()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/99815] [11 Regression] ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193
2021-03-29 10:56 [Bug c++/99815] New: ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193 hewillk at gmail dot com
@ 2021-03-29 17:56 ` mpolacek at gcc dot gnu.org
2021-03-29 20:02 ` ppalka at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-03-29 17:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99815
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-03-29
Priority|P3 |P1
Target Milestone|--- |11.0
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Summary|ICE: in |[11 Regression] ICE: in
|placeholder_type_constraint |placeholder_type_constraint
|_dependent_p, at |_dependent_p, at
|cp/pt.c:28193 |cp/pt.c:28193
CC| |mpolacek at gcc dot gnu.org,
| |ppalka at gcc dot gnu.org
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed. Started with r11-7540.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/99815] [11 Regression] ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193
2021-03-29 10:56 [Bug c++/99815] New: ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193 hewillk at gmail dot com
2021-03-29 17:56 ` [Bug c++/99815] [11 Regression] " mpolacek at gcc dot gnu.org
@ 2021-03-29 20:02 ` ppalka at gcc dot gnu.org
2021-03-31 2:58 ` cvs-commit at gcc dot gnu.org
2021-03-31 2:59 ` ppalka at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: ppalka at gcc dot gnu.org @ 2021-03-29 20:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99815
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |ppalka at gcc dot gnu.org
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/99815] [11 Regression] ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193
2021-03-29 10:56 [Bug c++/99815] New: ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193 hewillk at gmail dot com
2021-03-29 17:56 ` [Bug c++/99815] [11 Regression] " mpolacek at gcc dot gnu.org
2021-03-29 20:02 ` ppalka at gcc dot gnu.org
@ 2021-03-31 2:58 ` cvs-commit at gcc dot gnu.org
2021-03-31 2:59 ` ppalka at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-03-31 2:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99815
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>:
https://gcc.gnu.org/g:0bbf0edbfc782f8e4e416d5fbd1b52a515adb585
commit r11-7920-g0bbf0edbfc782f8e4e416d5fbd1b52a515adb585
Author: Patrick Palka <ppalka@redhat.com>
Date: Tue Mar 30 22:54:37 2021 -0400
c++: placeholder type constraint and argument pack [PR99815]
When checking dependence of a placeholder type constraint, if the first
template argument of the constraint is an argument pack, we need to
expand it in order to properly separate the implicit 'auto' argument
from the rest.
gcc/cp/ChangeLog:
PR c++/99815
* pt.c (placeholder_type_constraint_dependent_p): Expand
argument packs to separate the first non-pack argument
from the rest.
gcc/testsuite/ChangeLog:
PR c++/99815
* g++.dg/cpp2a/concepts-placeholder5.C: New test.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/99815] [11 Regression] ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193
2021-03-29 10:56 [Bug c++/99815] New: ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193 hewillk at gmail dot com
` (2 preceding siblings ...)
2021-03-31 2:58 ` cvs-commit at gcc dot gnu.org
@ 2021-03-31 2:59 ` ppalka at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: ppalka at gcc dot gnu.org @ 2021-03-31 2:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99815
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2021-03-29 10:56 [Bug c++/99815] New: ICE: in placeholder_type_constraint_dependent_p, at cp/pt.c:28193 hewillk at gmail dot com
2021-03-29 17:56 ` [Bug c++/99815] [11 Regression] " mpolacek at gcc dot gnu.org
2021-03-29 20:02 ` ppalka at gcc dot gnu.org
2021-03-31 2:58 ` cvs-commit at gcc dot gnu.org
2021-03-31 2:59 ` ppalka at gcc dot gnu.org
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