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* [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813
@ 2021-04-27 9:16 asolokha at gmx dot com
2021-04-27 9:40 ` [Bug c++/100282] " rguenth at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: asolokha at gmx dot com @ 2021-04-27 9:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
Bug ID: 100282
Summary: [11/12 Regression] ICE in dependent_type_p, at
cp/pt.c:26813
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-11.0.1-alpha20210418 snapshot (g:b412ce8e961052e6becea3bc783a53e1d5feaa0f)
ICEs when compiling the following testcase, reduced from
test/SemaCXX/lambda-expressions.cpp from the clang 11.1.0 test suite:
template <typename... Ts>
void
local_class ()
{
int { []{ struct ZZ : Ts {}; }... };
}
template // <>
void
local_class<int> ();
% g++-11.0.1 -c xhrah4q6.cpp
xhrah4q6.cpp: In instantiation of 'struct local_class<int>()::<lambda()>::ZZ':
xhrah4q6.cpp:5:29: required from 'void local_class() [with Ts = {int}]'
xhrah4q6.cpp:10:19: required from here
xhrah4q6.cpp:5:20: internal compiler error: in dependent_type_p, at
cp/pt.c:26813
5 | int { []{ struct ZZ : Ts {}; }... };
| ^~
0x69d8fd dependent_type_p(tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:26813
0x983e58 xref_basetypes(tree_node*, tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/decl.c:15434
0xad9331 instantiate_class_template_1
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:11922
0xadadb2 instantiate_class_template(tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:12287
0xb272e9 complete_type(tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/typeck.c:143
0xab048d tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18737
0xab0af1 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18238
0xab05df tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18589
0xadbabe tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18223
0xadbabe tsubst_lambda_expr(tree_node*, tree_node*, int, tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:19540
0xaa5284 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:20891
0xaadfd8 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:19198
0xaad864 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18223
0xaad864 gen_elem_of_pack_expansion_instantiation
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:12562
0xaad864 tsubst_pack_expansion(tree_node*, tree_node*, int, tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:13227
0xaa5be3 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:20735
0xaadfd8 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:19198
0xab038c tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18268
0xab0af1 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18238
0xab05df tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cp/pt.c:18589
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
@ 2021-04-27 9:40 ` rguenth at gcc dot gnu.org
2021-04-28 22:44 ` mpolacek at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-04-27 9:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Target Milestone|--- |11.2
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
2021-04-27 9:40 ` [Bug c++/100282] " rguenth at gcc dot gnu.org
@ 2021-04-28 22:44 ` mpolacek at gcc dot gnu.org
2021-05-31 4:56 ` [Bug c++/100282] [11/12 Regression] ICE with local class in lambda in pack expansion asolokha at gmx dot com
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-04-28 22:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpolacek at gcc dot gnu.org
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2021-04-28
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] [11/12 Regression] ICE with local class in lambda in pack expansion
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
2021-04-27 9:40 ` [Bug c++/100282] " rguenth at gcc dot gnu.org
2021-04-28 22:44 ` mpolacek at gcc dot gnu.org
@ 2021-05-31 4:56 ` asolokha at gmx dot com
2021-07-28 7:06 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: asolokha at gmx dot com @ 2021-05-31 4:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
--- Comment #2 from Arseny Solokha <asolokha at gmx dot com> ---
g++-12.0.0-alpha20210530 snapshot (g:a0a7adeea31918deefb053a9a15257af94aecfaf)
rejects the testcase w/o ICE.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] [11/12 Regression] ICE with local class in lambda in pack expansion
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
` (2 preceding siblings ...)
2021-05-31 4:56 ` [Bug c++/100282] [11/12 Regression] ICE with local class in lambda in pack expansion asolokha at gmx dot com
@ 2021-07-28 7:06 ` rguenth at gcc dot gnu.org
2022-01-28 3:21 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-07-28 7:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|11.2 |11.3
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 11.2 is being released, retargeting bugs to GCC 11.3
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] [11/12 Regression] ICE with local class in lambda in pack expansion
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
` (3 preceding siblings ...)
2021-07-28 7:06 ` rguenth at gcc dot gnu.org
@ 2022-01-28 3:21 ` cvs-commit at gcc dot gnu.org
2022-01-28 5:11 ` [Bug c++/100282] " jason at gcc dot gnu.org
2022-03-27 0:18 ` jason at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-01-28 3:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jason Merrill <jason@gcc.gnu.org>:
https://gcc.gnu.org/g:4d2efec9f229c2e2e7cb6c3f06beb4c3e9d244a1
commit r12-6909-g4d2efec9f229c2e2e7cb6c3f06beb4c3e9d244a1
Author: Jason Merrill <jason@redhat.com>
Date: Thu Jan 27 17:46:43 2022 -0500
c++: pack in enumerator in lambda [PR100198]
The GCC 8 lambda overhaul fixed most uses of lambdas in pack expansions,
but
local enums and classes within such lambdas that depend on parameter packs
are still broken. For now, give a sorry instead of an ICE or incorrect
error.
PR c++/100198
PR c++/100030
PR c++/100282
gcc/cp/ChangeLog:
* parser.cc (cp_parser_enumerator_definition): Sorry on parameter
pack in lambda.
(cp_parser_class_head): And in class attributes.
* pt.cc (check_for_bare_parameter_packs): Sorry instead of error
in lambda.
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/lambda/lambda-variadic13.C: Accept the sorry
as well as the correct error.
* g++.dg/cpp0x/lambda/lambda-variadic14.C: Likewise.
* g++.dg/cpp0x/lambda/lambda-variadic14a.C: New test.
* g++.dg/cpp0x/lambda/lambda-variadic15.C: New test.
* g++.dg/cpp0x/lambda/lambda-variadic16.C: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] local class in lambda in pack expansion
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
` (4 preceding siblings ...)
2022-01-28 3:21 ` cvs-commit at gcc dot gnu.org
@ 2022-01-28 5:11 ` jason at gcc dot gnu.org
2022-03-27 0:18 ` jason at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jason at gcc dot gnu.org @ 2022-01-28 5:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|11.3 |---
Keywords|ice-on-invalid-code |rejects-valid
Summary|[11/12 Regression] ICE with |local class in lambda in
|local class in lambda in |pack expansion
|pack expansion |
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
I can't reproduce the ICE with the top of any branch; leaving the PR open for
the rejects-valid bug.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100282] local class in lambda in pack expansion
2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
` (5 preceding siblings ...)
2022-01-28 5:11 ` [Bug c++/100282] " jason at gcc dot gnu.org
@ 2022-03-27 0:18 ` jason at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jason at gcc dot gnu.org @ 2022-03-27 0:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100282
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hewillk at gmail dot com
--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> ---
*** Bug 103428 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 8+ messages in thread
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2021-04-27 9:16 [Bug c++/100282] New: [11/12 Regression] ICE in dependent_type_p, at cp/pt.c:26813 asolokha at gmx dot com
2021-04-27 9:40 ` [Bug c++/100282] " rguenth at gcc dot gnu.org
2021-04-28 22:44 ` mpolacek at gcc dot gnu.org
2021-05-31 4:56 ` [Bug c++/100282] [11/12 Regression] ICE with local class in lambda in pack expansion asolokha at gmx dot com
2021-07-28 7:06 ` rguenth at gcc dot gnu.org
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