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* [Bug c++/109338] New: `S<a_concept<int> auto>` isn't valid C++20 @ 2023-03-29 19:01 cjdb.ns at gmail dot com 2023-03-29 19:06 ` [Bug c++/109338] " pinskia at gcc dot gnu.org 2023-03-30 16:58 ` ppalka at gcc dot gnu.org 0 siblings, 2 replies; 3+ messages in thread From: cjdb.ns at gmail dot com @ 2023-03-29 19:01 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109338 Bug ID: 109338 Summary: `S<a_concept<int> auto>` isn't valid C++20 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: cjdb.ns at gmail dot com Target Milestone: --- Clang and GCC disagree on whether or not this code is valid. This **may** be a relic from the Concepts TS, which Clang doesn't implement. https://godbolt.org/z/c7rGWE9s6 ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/109338] `S<a_concept<int> auto>` isn't valid C++20 2023-03-29 19:01 [Bug c++/109338] New: `S<a_concept<int> auto>` isn't valid C++20 cjdb.ns at gmail dot com @ 2023-03-29 19:06 ` pinskia at gcc dot gnu.org 2023-03-30 16:58 ` ppalka at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-03-29 19:06 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109338 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Testcase: ``` template <class T, class U> concept C = true; template <class T> struct A {}; void f(A<C<int> auto >) {} ``` Please place the testcase in the comment or attach it; don't just link to godbolt. ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/109338] `S<a_concept<int> auto>` isn't valid C++20 2023-03-29 19:01 [Bug c++/109338] New: `S<a_concept<int> auto>` isn't valid C++20 cjdb.ns at gmail dot com 2023-03-29 19:06 ` [Bug c++/109338] " pinskia at gcc dot gnu.org @ 2023-03-30 16:58 ` ppalka at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: ppalka at gcc dot gnu.org @ 2023-03-30 16:58 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109338 Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED See Also|https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=96464 | Resolution|--- |DUPLICATE --- Comment #2 from Patrick Palka <ppalka at gcc dot gnu.org> --- I reckon it makes sense to call this a dup of PR96464 even, since we incorrectly accept with or without the type constraint. *** This bug has been marked as a duplicate of bug 96464 *** ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-03-30 16:58 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-03-29 19:01 [Bug c++/109338] New: `S<a_concept<int> auto>` isn't valid C++20 cjdb.ns at gmail dot com 2023-03-29 19:06 ` [Bug c++/109338] " pinskia at gcc dot gnu.org 2023-03-30 16:58 ` ppalka at gcc dot gnu.org
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