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* [Bug c++/110797] New: GCC rejects std::template same_as<int> form
@ 2023-07-25 6:32 hewillk at gmail dot com
2023-07-25 7:12 ` [Bug c++/110797] template keyword used as a distinguisher with concept to reject for auto usage pinskia at gcc dot gnu.org
2023-07-25 7:14 ` pinskia at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: hewillk at gmail dot com @ 2023-07-25 6:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110797
Bug ID: 110797
Summary: GCC rejects std::template same_as<int> form
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hewillk at gmail dot com
Target Milestone: ---
#include <concepts>
[[maybe_unused]] std::template same_as<int> auto i = 0;
I accidentally found that GCC rejected the above code, not sure if this is
valid code.
https://godbolt.org/z/edd6zx5df
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/110797] template keyword used as a distinguisher with concept to reject for auto usage
2023-07-25 6:32 [Bug c++/110797] New: GCC rejects std::template same_as<int> form hewillk at gmail dot com
@ 2023-07-25 7:12 ` pinskia at gcc dot gnu.org
2023-07-25 7:14 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-07-25 7:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110797
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|GCC rejects std::template |template keyword used as a
|same_as<int> form |distinguisher with concept
| |to reject for auto usage
Keywords| |rejects-valid
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
```
namespace tt {
template<typename a, typename b>
concept t = true;
}
tt::template t<int> auto i = 0;
```
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/110797] template keyword used as a distinguisher with concept to reject for auto usage
2023-07-25 6:32 [Bug c++/110797] New: GCC rejects std::template same_as<int> form hewillk at gmail dot com
2023-07-25 7:12 ` [Bug c++/110797] template keyword used as a distinguisher with concept to reject for auto usage pinskia at gcc dot gnu.org
@ 2023-07-25 7:14 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-07-25 7:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110797
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=107188
Last reconfirmed| |2023-07-25
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Very much related to PR 107188 .
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-07-25 6:32 [Bug c++/110797] New: GCC rejects std::template same_as<int> form hewillk at gmail dot com
2023-07-25 7:12 ` [Bug c++/110797] template keyword used as a distinguisher with concept to reject for auto usage pinskia at gcc dot gnu.org
2023-07-25 7:14 ` pinskia at gcc dot gnu.org
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