public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [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
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).