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* [Bug c++/97220] New: Overload resolution works wrong when implicit conversion not exists @ 2020-09-27 21:41 konstantin.vladimirov at gmail dot com 2020-09-27 21:51 ` [Bug c++/97220] " mpolacek at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: konstantin.vladimirov at gmail dot com @ 2020-09-27 21:41 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97220 Bug ID: 97220 Summary: Overload resolution works wrong when implicit conversion not exists Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: konstantin.vladimirov at gmail dot com Target Milestone: --- Minimal reproducer is here: https://godbolt.org/z/rd4e9a struct S { explicit S(int, int, int) {} }; struct T { T(int, int, int) {} }; void foo(struct S) {} // 1 void foo(struct T) {} // 2 int main() { S s{1, 2, 3}; foo({1, 2, 3}); } By C++ standard, [over.match.viable], "for F to be a viable function, there shall exist for each argument an implicit conversion sequence (12.4.3.1) that converts that argument to the corresponding parameter of F" So 1 is not viable overload and resolution shall peek 2 But in reality now error produced: error: call of overloaded 'foo(<brace-enclosed initializer list>)' is ambiguous ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/97220] Overload resolution works wrong when implicit conversion not exists 2020-09-27 21:41 [Bug c++/97220] New: Overload resolution works wrong when implicit conversion not exists konstantin.vladimirov at gmail dot com @ 2020-09-27 21:51 ` mpolacek at gcc dot gnu.org 2021-12-14 5:57 ` pinskia at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2020-09-27 21:51 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97220 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid Ever confirmed|0 |1 CC| |mpolacek at gcc dot gnu.org Status|UNCONFIRMED |NEW Last reconfirmed| |2020-09-27 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Confirmed. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/97220] Overload resolution works wrong when implicit conversion not exists 2020-09-27 21:41 [Bug c++/97220] New: Overload resolution works wrong when implicit conversion not exists konstantin.vladimirov at gmail dot com 2020-09-27 21:51 ` [Bug c++/97220] " mpolacek at gcc dot gnu.org @ 2021-12-14 5:57 ` pinskia at gcc dot gnu.org 2021-12-14 15:26 ` ppalka at gcc dot gnu.org 2022-12-03 18:52 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-12-14 5:57 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97220 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ldionne.2 at gmail dot com --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- *** Bug 102247 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/97220] Overload resolution works wrong when implicit conversion not exists 2020-09-27 21:41 [Bug c++/97220] New: Overload resolution works wrong when implicit conversion not exists konstantin.vladimirov at gmail dot com 2020-09-27 21:51 ` [Bug c++/97220] " mpolacek at gcc dot gnu.org 2021-12-14 5:57 ` pinskia at gcc dot gnu.org @ 2021-12-14 15:26 ` ppalka at gcc dot gnu.org 2022-12-03 18:52 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: ppalka at gcc dot gnu.org @ 2021-12-14 15:26 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97220 Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppalka at gcc dot gnu.org Resolution|--- |INVALID Status|NEW |RESOLVED --- Comment #3 from Patrick Palka <ppalka at gcc dot gnu.org> --- GCC is behaving correctly here as pointed out by Tim at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102247#c2 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/97220] Overload resolution works wrong when implicit conversion not exists 2020-09-27 21:41 [Bug c++/97220] New: Overload resolution works wrong when implicit conversion not exists konstantin.vladimirov at gmail dot com ` (2 preceding siblings ...) 2021-12-14 15:26 ` ppalka at gcc dot gnu.org @ 2022-12-03 18:52 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-12-03 18:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97220 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|INVALID |DUPLICATE --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Dup of bug 60027. *** This bug has been marked as a duplicate of bug 60027 *** ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-12-03 18:52 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-09-27 21:41 [Bug c++/97220] New: Overload resolution works wrong when implicit conversion not exists konstantin.vladimirov at gmail dot com 2020-09-27 21:51 ` [Bug c++/97220] " mpolacek at gcc dot gnu.org 2021-12-14 5:57 ` pinskia at gcc dot gnu.org 2021-12-14 15:26 ` ppalka at gcc dot gnu.org 2022-12-03 18:52 ` pinskia at gcc dot gnu.org
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