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* [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
@ 2021-05-17 6:48 asolokha at gmx dot com
2021-05-17 8:12 ` [Bug c++/100634] " marxin at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: asolokha at gmx dot com @ 2021-05-17 6:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
Bug ID: 100634
Summary: [11/12 Regression] ICE in convert_nontype_argument, at
cp/pt.c:7653
Product: gcc
Version: 12.0
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++-12.0.0-alpha20210516 snapshot (g:4a322345cab10879162a2ddf659fb0f873ba0182)
ICEs when compiling the following testcase, extracted from
test/SemaTemplate/temp_arg_nontype_cxx20.cpp from the clang 12.0.0 test suite,
w/ -std=gnu++20:
template<_Complex int> struct ComplexInt {};
using CI = ComplexInt<1 + 3i>;
% g++-12.0.0 -std=gnu++20 -c xqj500ey.cpp
xqj500ey.cpp:2:29: internal compiler error: in convert_nontype_argument, at
cp/pt.c:7653
2 | using CI = ComplexInt<1 + 3i>;
| ^
0x6b6b34 convert_nontype_argument
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/pt.c:7653
0x6b6b34 convert_template_argument
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/pt.c:8546
0xacd2c3 coerce_template_parms
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/pt.c:9025
0xad0069 lookup_template_class_1
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/pt.c:9863
0xad1e31 lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int, int)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/pt.c:10250
0xafb7fb finish_template_type(tree_node*, tree_node*, int)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/semantics.c:3585
0xa6a1e9 cp_parser_template_id
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:17503
0xa6a3e5 cp_parser_class_name
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:24749
0xa6156a cp_parser_qualifying_entity
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:7002
0xa6156a cp_parser_nested_name_specifier_opt
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:6684
0xa7760b cp_parser_simple_type_specifier
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:18904
0xa554a5 cp_parser_type_specifier
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:18563
0xa67ae4 cp_parser_type_specifier_seq
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:23424
0xa66098 cp_parser_type_id_1
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:23224
0xa6841d cp_parser_type_id
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:23320
0xa6841d cp_parser_alias_declaration
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:20890
0xa853e5 cp_parser_declaration
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:14161
0xa86160 cp_parser_toplevel_declaration
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:14190
0xa86160 cp_parser_translation_unit
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:4942
0xa86160 c_parse_file()
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210516/work/gcc-12-20210516/gcc/cp/parser.c:45393
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
@ 2021-05-17 8:12 ` marxin at gcc dot gnu.org
2021-05-17 8:59 ` jakub at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-05-17 8:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
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
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r11-2015-g50f071d999374b6d.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
2021-05-17 8:12 ` [Bug c++/100634] " marxin at gcc dot gnu.org
@ 2021-05-17 8:59 ` jakub at gcc dot gnu.org
2021-05-17 12:52 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-05-17 8:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Target Milestone|--- |11.2
Status|UNCONFIRMED |NEW
Last reconfirmed| |2021-05-17
CC| |jakub at gcc dot gnu.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
2021-05-17 8:12 ` [Bug c++/100634] " marxin at gcc dot gnu.org
2021-05-17 8:59 ` jakub at gcc dot gnu.org
@ 2021-05-17 12:52 ` rguenth at gcc dot gnu.org
2021-05-19 21:30 ` jason at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-05-17 12:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
` (2 preceding siblings ...)
2021-05-17 12:52 ` rguenth at gcc dot gnu.org
@ 2021-05-19 21:30 ` jason at gcc dot gnu.org
2021-05-20 3:11 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jason at gcc dot gnu.org @ 2021-05-19 21:30 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jason at gcc dot gnu.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
` (3 preceding siblings ...)
2021-05-19 21:30 ` jason at gcc dot gnu.org
@ 2021-05-20 3:11 ` cvs-commit at gcc dot gnu.org
2021-05-20 3:12 ` cvs-commit at gcc dot gnu.org
2021-05-20 3:13 ` jason at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-05-20 3:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
--- Comment #2 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:75ab8b4829dec8c70470e8225c9add964f71ed74
commit r12-933-g75ab8b4829dec8c70470e8225c9add964f71ed74
Author: Jason Merrill <jason@redhat.com>
Date: Wed May 19 17:33:21 2021 -0400
c++: _Complex template parameter [PR100634]
We were crashing because invalid_nontype_parm_type_p allowed _Complex
template parms, but convert_nontype_argument didn't know what to do for
them. Let's just disallow it, people can and should use std::complex
instead.
PR c++/100634
gcc/cp/ChangeLog:
* pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/nontype-complex1.C: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
` (4 preceding siblings ...)
2021-05-20 3:11 ` cvs-commit at gcc dot gnu.org
@ 2021-05-20 3:12 ` cvs-commit at gcc dot gnu.org
2021-05-20 3:13 ` jason at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-05-20 3:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:
https://gcc.gnu.org/g:b54e50285c716fabc3980c5383c4898018a60b28
commit r11-8444-gb54e50285c716fabc3980c5383c4898018a60b28
Author: Jason Merrill <jason@redhat.com>
Date: Wed May 19 17:33:21 2021 -0400
c++: _Complex template parameter [PR100634]
We were crashing because invalid_nontype_parm_type_p allowed _Complex
template parms, but convert_nontype_argument didn't know what to do for
them. Let's just disallow it, people can and should use std::complex
instead.
PR c++/100634
gcc/cp/ChangeLog:
* pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/nontype-complex1.C: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/100634] [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653
2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
` (5 preceding siblings ...)
2021-05-20 3:12 ` cvs-commit at gcc dot gnu.org
@ 2021-05-20 3:13 ` jason at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jason at gcc dot gnu.org @ 2021-05-20 3:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100634
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed for 11.2/12.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2021-05-17 6:48 [Bug c++/100634] New: [11/12 Regression] ICE in convert_nontype_argument, at cp/pt.c:7653 asolokha at gmx dot com
2021-05-17 8:12 ` [Bug c++/100634] " marxin at gcc dot gnu.org
2021-05-17 8:59 ` jakub at gcc dot gnu.org
2021-05-17 12:52 ` rguenth at gcc dot gnu.org
2021-05-19 21:30 ` jason at gcc dot gnu.org
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