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* [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056
@ 2021-04-04 7:23 hewillk at gmail dot com
2021-04-04 15:05 ` [Bug c++/99904] " mpolacek at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: hewillk at gmail dot com @ 2021-04-04 7:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99904
Bug ID: 99904
Summary: ICE: in tsubst_pack_expansion, at cp/pt.c:13056
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: ---
maybe dup of PR 99595.
https://godbolt.org/z/zarsP11Y6
template <class> concept C = true;
template <class> struct A {};
template <template <C...> class>
struct S {};
constexpr S<A> s;
<source>:5:14: internal compiler error: in tsubst_pack_expansion, at
cp/pt.c:13056
5 | constexpr S<A> s;
| ^
0x1cfcc99 internal_error(char const*, ...)
???:0
0x6baa77 fancy_abort(char const*, int, char const*)
???:0
0x9305c7 tsubst_pack_expansion(tree_node*, tree_node*, int, tree_node*)
???:0
0x739b56 tsubst_constraint(tree_node*, tree_node*, int, tree_node*)
???:0
0x739cd1 tsubst_constraint_info(tree_node*, tree_node*, int, tree_node*)
???:0
0x929233 lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int, int)
???:0
0x97fa1d finish_template_type(tree_node*, tree_node*, int)
???:0
0x8e14fd c_parse_file()
???:0
0xa601f2 c_common_parse_file()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99904] ICE: in tsubst_pack_expansion, at cp/pt.c:13056
2021-04-04 7:23 [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056 hewillk at gmail dot com
@ 2021-04-04 15:05 ` mpolacek at gcc dot gnu.org
2021-10-01 20:09 ` ppalka at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-04-04 15:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99904
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
CC| |mpolacek at gcc dot gnu.org
Last reconfirmed| |2021-04-04
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed. GCC 9 ICEs too, but in a different place.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99904] ICE: in tsubst_pack_expansion, at cp/pt.c:13056
2021-04-04 7:23 [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056 hewillk at gmail dot com
2021-04-04 15:05 ` [Bug c++/99904] " mpolacek at gcc dot gnu.org
@ 2021-10-01 20:09 ` ppalka at gcc dot gnu.org
2021-10-07 14:04 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: ppalka at gcc dot gnu.org @ 2021-10-01 20:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99904
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ppalka at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |ppalka at gcc dot gnu.org
Status|NEW |ASSIGNED
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99904] ICE: in tsubst_pack_expansion, at cp/pt.c:13056
2021-04-04 7:23 [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056 hewillk at gmail dot com
2021-04-04 15:05 ` [Bug c++/99904] " mpolacek at gcc dot gnu.org
2021-10-01 20:09 ` ppalka at gcc dot gnu.org
@ 2021-10-07 14:04 ` cvs-commit at gcc dot gnu.org
2021-10-07 14:20 ` [Bug c++/99904] [concepts] " cvs-commit at gcc dot gnu.org
2021-10-07 14:21 ` ppalka at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-10-07 14:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99904
--- 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:2e6e0d86a06389056d0e7fecc99c547420ad787a
commit r12-4229-g2e6e0d86a06389056d0e7fecc99c547420ad787a
Author: Patrick Palka <ppalka@redhat.com>
Date: Thu Oct 7 10:02:54 2021 -0400
c++: variadic ttp constraint subsumption [PR99904]
Here we're crashing when level-lowering the variadic constraint C<Ts...>
on the template template parameter TT because tsubst_pack_expansion expects
processing_template_decl to be set during a partial substitution.
PR c++/99904
gcc/cp/ChangeLog:
* pt.c (is_compatible_template_arg): Set processing_template_decl
around tsubst_constraint_info.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-ttp4.C: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99904] [concepts] ICE: in tsubst_pack_expansion, at cp/pt.c:13056
2021-04-04 7:23 [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056 hewillk at gmail dot com
` (2 preceding siblings ...)
2021-10-07 14:04 ` cvs-commit at gcc dot gnu.org
@ 2021-10-07 14:20 ` cvs-commit at gcc dot gnu.org
2021-10-07 14:21 ` ppalka at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-10-07 14:20 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99904
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Patrick Palka
<ppalka@gcc.gnu.org>:
https://gcc.gnu.org/g:052b2df6f0ecd1e5b55056911b16bca8b31ef7df
commit r11-9088-g052b2df6f0ecd1e5b55056911b16bca8b31ef7df
Author: Patrick Palka <ppalka@redhat.com>
Date: Thu Oct 7 10:02:54 2021 -0400
c++: variadic ttp constraint subsumption [PR99904]
Here we're crashing when level-lowering the variadic constraint C<Ts...>
on the template template parameter TT because tsubst_pack_expansion expects
processing_template_decl to be set during a partial substitution.
PR c++/99904
gcc/cp/ChangeLog:
* pt.c (is_compatible_template_arg): Set processing_template_decl
around tsubst_constraint_info.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-ttp4.C: New test.
(cherry picked from commit 2e6e0d86a06389056d0e7fecc99c547420ad787a)
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99904] [concepts] ICE: in tsubst_pack_expansion, at cp/pt.c:13056
2021-04-04 7:23 [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056 hewillk at gmail dot com
` (3 preceding siblings ...)
2021-10-07 14:20 ` [Bug c++/99904] [concepts] " cvs-commit at gcc dot gnu.org
@ 2021-10-07 14:21 ` ppalka at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ppalka at gcc dot gnu.org @ 2021-10-07 14:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99904
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Target Milestone|--- |11.3
Status|ASSIGNED |RESOLVED
--- Comment #4 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Fixed for GCC 11.3 and 12.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2021-04-04 7:23 [Bug c++/99904] New: ICE: in tsubst_pack_expansion, at cp/pt.c:13056 hewillk at gmail dot com
2021-04-04 15:05 ` [Bug c++/99904] " mpolacek at gcc dot gnu.org
2021-10-01 20:09 ` ppalka at gcc dot gnu.org
2021-10-07 14:04 ` cvs-commit at gcc dot gnu.org
2021-10-07 14:20 ` [Bug c++/99904] [concepts] " cvs-commit at gcc dot gnu.org
2021-10-07 14:21 ` ppalka at gcc dot gnu.org
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