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* [Bug c++/99465] New: Segmentation fault when put lambda into requires clause
@ 2021-03-08 13:24 hewillk at gmail dot com
2021-03-08 13:35 ` [Bug c++/99465] " hewillk at gmail dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: hewillk at gmail dot com @ 2021-03-08 13:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99465
Bug ID: 99465
Summary: Segmentation fault when put lambda into requires
clause
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: ---
The following code will trigger the segmentation fault of gcc-trunk:
template <auto = 0>
auto g() requires ([] { return 0; } ());
int main() { g(); }
godbolt: https://godbolt.org/z/4bsaPd
error message:
<source>: In substitution of 'template<auto <anonymous> > auto g() requires
(<lambda>)() [with auto <anonymous> = 0]':
<source>:4:16: required from here
<source>:2:6: required by the constraints of 'template<auto <anonymous> >
auto g() requires (<lambda>)()'
Segmentation fault
2 | auto g() requires ([] { return 0; } ());
| ~~~~~~~~~~~~~~~~~~^~~
0x1cee989 internal_error(char const*, ...)
???:0
0x7748f3 pp_cxx_parameter_mapping(cxx_pretty_printer*, tree_node*)
???:0
0x7de235 expr_to_string(tree_node*)
???:0
0x1d0a861 pp_format(pretty_printer*, text_info*)
???:0
0x1ced50a diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
???:0
0x1cee60d error_at(unsigned int, char const*, ...)
???:0
0x73c8ea constraints_satisfied_p(tree_node*, tree_node*)
???:0
0x9510c3 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool,
bool)
???:0
0x6db9c2 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
???:0
0x97d1ec finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
???:0
0x8dd92d c_parse_file()
???:0
0xa5bd12 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] 6+ messages in thread
* [Bug c++/99465] Segmentation fault when put lambda into requires clause
2021-03-08 13:24 [Bug c++/99465] New: Segmentation fault when put lambda into requires clause hewillk at gmail dot com
@ 2021-03-08 13:35 ` hewillk at gmail dot com
2021-03-08 17:21 ` hewillk at gmail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: hewillk at gmail dot com @ 2021-03-08 13:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99465
--- Comment #1 from 康桓瑋 <hewillk at gmail dot com> ---
Other related ICE:
template <auto = 0> requires ([]{}());
auto f() requires ([]{}());
https://godbolt.org/z/8z3PPx
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99465] Segmentation fault when put lambda into requires clause
2021-03-08 13:24 [Bug c++/99465] New: Segmentation fault when put lambda into requires clause hewillk at gmail dot com
2021-03-08 13:35 ` [Bug c++/99465] " hewillk at gmail dot com
@ 2021-03-08 17:21 ` hewillk at gmail dot com
2021-03-10 16:12 ` hewillk at gmail dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: hewillk at gmail dot com @ 2021-03-08 17:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99465
--- Comment #2 from 康桓瑋 <hewillk at gmail dot com> ---
Here is the minimal reduced example:
f() requires [
godbolt: https://godbolt.org/z/eMWxPj
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99465] Segmentation fault when put lambda into requires clause
2021-03-08 13:24 [Bug c++/99465] New: Segmentation fault when put lambda into requires clause hewillk at gmail dot com
2021-03-08 13:35 ` [Bug c++/99465] " hewillk at gmail dot com
2021-03-08 17:21 ` hewillk at gmail dot com
@ 2021-03-10 16:12 ` hewillk at gmail dot com
2021-04-28 20:54 ` mpolacek at gcc dot gnu.org
2022-01-04 2:26 ` pinskia at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: hewillk at gmail dot com @ 2021-03-10 16:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99465
--- Comment #3 from 康桓瑋 <hewillk at gmail dot com> ---
*** Bug 99521 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99465] Segmentation fault when put lambda into requires clause
2021-03-08 13:24 [Bug c++/99465] New: Segmentation fault when put lambda into requires clause hewillk at gmail dot com
` (2 preceding siblings ...)
2021-03-10 16:12 ` hewillk at gmail dot com
@ 2021-04-28 20:54 ` mpolacek at gcc dot gnu.org
2022-01-04 2:26 ` pinskia at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-04-28 20:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99465
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
CC| |mpolacek at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed| |2021-04-28
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99465] Segmentation fault when put lambda into requires clause
2021-03-08 13:24 [Bug c++/99465] New: Segmentation fault when put lambda into requires clause hewillk at gmail dot com
` (3 preceding siblings ...)
2021-04-28 20:54 ` mpolacek at gcc dot gnu.org
@ 2022-01-04 2:26 ` pinskia at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-01-04 2:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99465
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Dup of bug 100055. Even though PR 100055 is newer, it has recorded the revision
at which this one and others were fixed.
*** This bug has been marked as a duplicate of bug 100055 ***
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-01-04 2:26 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-08 13:24 [Bug c++/99465] New: Segmentation fault when put lambda into requires clause hewillk at gmail dot com
2021-03-08 13:35 ` [Bug c++/99465] " hewillk at gmail dot com
2021-03-08 17:21 ` hewillk at gmail dot com
2021-03-10 16:12 ` hewillk at gmail dot com
2021-04-28 20:54 ` mpolacek at gcc dot gnu.org
2022-01-04 2:26 ` pinskia at gcc dot gnu.org
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