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* [Bug c++/105743] New: Bogus unused but set lambda warning
@ 2022-05-26 17:04 johelegp at gmail dot com
  2022-05-26 18:38 ` [Bug c++/105743] " johelegp at gmail dot com
  2022-09-23 16:16 ` pinskia at gcc dot gnu.org
  0 siblings, 2 replies; 3+ messages in thread
From: johelegp at gmail dot com @ 2022-05-26 17:04 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105743

            Bug ID: 105743
           Summary: Bogus unused but set lambda warning
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: diagnostic
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: johelegp at gmail dot com
                CC: johelegp at gmail dot com
  Target Milestone: ---

See https://godbolt.org/z/xq16xac15.

```C++
void f(auto x) { x(0); }
void g() {
  static constexpr auto h = [](...) { };
  f([](auto x) { h(x); });
}
```

```
<source>: In function 'void g()':
<source>:3:25: warning: variable 'h' set but not used
[-Wunused-but-set-variable]
    3 |   static constexpr auto h = [](...) { };
      |                         ^
```

Arguably, `h(x)` could perform ADL on `x`. But perhaps it'd be better to stay
silent, like the other compilers.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug c++/105743] Bogus unused but set lambda warning
  2022-05-26 17:04 [Bug c++/105743] New: Bogus unused but set lambda warning johelegp at gmail dot com
@ 2022-05-26 18:38 ` johelegp at gmail dot com
  2022-09-23 16:16 ` pinskia at gcc dot gnu.org
  1 sibling, 0 replies; 3+ messages in thread
From: johelegp at gmail dot com @ 2022-05-26 18:38 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105743

Johel Ernesto Guerrero Peña <johelegp at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #1 from Johel Ernesto Guerrero Peña <johelegp at gmail dot com> ---
Duplicate of Bug 105571.

*** This bug has been marked as a duplicate of bug 105571 ***

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug c++/105743] Bogus unused but set lambda warning
  2022-05-26 17:04 [Bug c++/105743] New: Bogus unused but set lambda warning johelegp at gmail dot com
  2022-05-26 18:38 ` [Bug c++/105743] " johelegp at gmail dot com
@ 2022-09-23 16:16 ` pinskia at gcc dot gnu.org
  1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-09-23 16:16 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105743

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Actually this is a dup of bug 96400.

*** This bug has been marked as a duplicate of bug 96400 ***

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-09-23 16:16 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-05-26 17:04 [Bug c++/105743] New: Bogus unused but set lambda warning johelegp at gmail dot com
2022-05-26 18:38 ` [Bug c++/105743] " johelegp at gmail dot com
2022-09-23 16:16 ` pinskia at gcc dot gnu.org

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