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* [Bug c++/99745] New: ICE when parameter pack not expanded in bit field
@ 2021-03-24 5:18 hewillk at gmail dot com
2021-03-24 6:25 ` [Bug c++/99745] " hewillk at gmail dot com
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: hewillk at gmail dot com @ 2021-03-24 5:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
Bug ID: 99745
Summary: ICE when parameter pack not expanded in bit field
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/dz1bcxhYf
template <typename... Ts>
struct S {
int a : sizeof(Ts);
};
S s;
<source>:3:11: internal compiler error: in dependent_type_p, at cp/pt.c:26775
3 | int a : sizeof(Ts);
| ^~~~~~~~~~
0x1cfa409 internal_error(char const*, ...)
???:0
0x6ba5f7 fancy_abort(char const*, int, char const*)
???:0
0x8f91c8 dependent_type_p(tree_node*)
???:0
0x9c3a1f cxx_sizeof_or_alignof_type(unsigned int, tree_node*, tree_code, bool,
bool)
???:0
0x9164a7 tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0x95a1a6 instantiate_class_template(tree_node*)
???:0
0x7b2bd0 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
???:0
0x8e111d c_parse_file()
???:0
0xa5f9c2 c_common_parse_file()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
@ 2021-03-24 6:25 ` hewillk at gmail dot com
2021-03-24 15:48 ` jakub at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: hewillk at gmail dot com @ 2021-03-24 6:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
--- Comment #1 from 康桓瑋 <hewillk at gmail dot com> ---
Reduce a little:
template <int... Xs>
struct S {
int x : Xs;
};
S s;
<source>:3:7: internal compiler error: unexpected expression 'Xs' of kind
template_parm_index
3 | int x : Xs;
| ^
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
2021-03-24 6:25 ` [Bug c++/99745] " hewillk at gmail dot com
@ 2021-03-24 15:48 ` jakub at gcc dot gnu.org
2021-03-25 20:06 ` cvs-commit at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-03-24 15:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2021-03-24
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 50469
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50469&action=edit
gcc11-pr99745.patch
Untested fix.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
2021-03-24 6:25 ` [Bug c++/99745] " hewillk at gmail dot com
2021-03-24 15:48 ` jakub at gcc dot gnu.org
@ 2021-03-25 20:06 ` cvs-commit at gcc dot gnu.org
2021-03-25 20:07 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-03-25 20:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:0b86a6438191f720bebf880a2b932cd97d10229a
commit r11-7834-g0b86a6438191f720bebf880a2b932cd97d10229a
Author: Jakub Jelinek <jakub@redhat.com>
Date: Thu Mar 25 21:06:09 2021 +0100
c++: Diagnose bare parameter packs in bitfield widths [PR99745]
The following invalid tests ICE because we don't diagnose (and drop) bare
parameter packs in bitfield widths.
2021-03-25 Jakub Jelinek <jakub@redhat.com>
PR c++/99745
* decl2.c (grokbitfield): Diagnose bitfields containing bare
parameter
packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
* g++.dg/cpp0x/variadic181.C: New test.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
` (2 preceding siblings ...)
2021-03-25 20:06 ` cvs-commit at gcc dot gnu.org
@ 2021-03-25 20:07 ` jakub at gcc dot gnu.org
2021-03-30 22:41 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-03-25 20:07 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
` (3 preceding siblings ...)
2021-03-25 20:07 ` jakub at gcc dot gnu.org
@ 2021-03-30 22:41 ` cvs-commit at gcc dot gnu.org
2021-04-20 23:33 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-03-30 22:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:f8780caf07340f5d5e55cf5fb1b2be07cabab1ea
commit r10-9622-gf8780caf07340f5d5e55cf5fb1b2be07cabab1ea
Author: Jakub Jelinek <jakub@redhat.com>
Date: Thu Mar 25 21:06:09 2021 +0100
c++: Diagnose bare parameter packs in bitfield widths [PR99745]
The following invalid tests ICE because we don't diagnose (and drop) bare
parameter packs in bitfield widths.
2021-03-25 Jakub Jelinek <jakub@redhat.com>
PR c++/99745
* decl2.c (grokbitfield): Diagnose bitfields containing bare
parameter
packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
* g++.dg/cpp0x/variadic181.C: New test.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
` (4 preceding siblings ...)
2021-03-30 22:41 ` cvs-commit at gcc dot gnu.org
@ 2021-04-20 23:33 ` cvs-commit at gcc dot gnu.org
2021-04-22 16:52 ` cvs-commit at gcc dot gnu.org
2021-09-11 14:29 ` pinskia at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-04-20 23:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:4b30a6d214ad94dfdffa93843d628484d2555b51
commit r9-9437-g4b30a6d214ad94dfdffa93843d628484d2555b51
Author: Jakub Jelinek <jakub@redhat.com>
Date: Thu Mar 25 21:06:09 2021 +0100
c++: Diagnose bare parameter packs in bitfield widths [PR99745]
The following invalid tests ICE because we don't diagnose (and drop) bare
parameter packs in bitfield widths.
2021-03-25 Jakub Jelinek <jakub@redhat.com>
PR c++/99745
* decl2.c (grokbitfield): Diagnose bitfields containing bare
parameter
packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
* g++.dg/cpp0x/variadic181.C: New test.
(cherry picked from commit f8780caf07340f5d5e55cf5fb1b2be07cabab1ea)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
` (5 preceding siblings ...)
2021-04-20 23:33 ` cvs-commit at gcc dot gnu.org
@ 2021-04-22 16:52 ` cvs-commit at gcc dot gnu.org
2021-09-11 14:29 ` pinskia at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-04-22 16:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-8 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:45f0ddc530eed61c45f1873a9cf7c85eb4f5da10
commit r8-10900-g45f0ddc530eed61c45f1873a9cf7c85eb4f5da10
Author: Jakub Jelinek <jakub@redhat.com>
Date: Thu Mar 25 21:06:09 2021 +0100
c++: Diagnose bare parameter packs in bitfield widths [PR99745]
The following invalid tests ICE because we don't diagnose (and drop) bare
parameter packs in bitfield widths.
2021-03-25 Jakub Jelinek <jakub@redhat.com>
PR c++/99745
* decl2.c (grokbitfield): Diagnose bitfields containing bare
parameter
packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
* g++.dg/cpp0x/variadic181.C: New test.
(cherry picked from commit f8780caf07340f5d5e55cf5fb1b2be07cabab1ea)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/99745] ICE when parameter pack not expanded in bit field
2021-03-24 5:18 [Bug c++/99745] New: ICE when parameter pack not expanded in bit field hewillk at gmail dot com
` (6 preceding siblings ...)
2021-04-22 16:52 ` cvs-commit at gcc dot gnu.org
@ 2021-09-11 14:29 ` pinskia at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-09-11 14:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99745
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |8.5
^ permalink raw reply [flat|nested] 9+ messages in thread
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2021-03-24 15:48 ` jakub at gcc dot gnu.org
2021-03-25 20:06 ` cvs-commit at gcc dot gnu.org
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