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From: "mario at klebsch dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/107019] -Wunused-but-set-variable false positive for static
 variable in lambda with boost
Date: Fri, 23 Sep 2022 15:10:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107019

Mario Klebsch <mario at klebsch dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mario at klebsch dot de

--- Comment #1 from Mario Klebsch <mario at klebsch dot de> ---
Created attachment 53619
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53619&action=3Dedit
Sample demonstrating the bug

Needs boost-1.80.0
compile with g++  -Wall -c -I boost_1_80_0 bug2.cpp

> ~/tmp $ g++  -Wall -c -I boost_1_80_0 bug2.cpp
> bug2.cpp: In function =E2=80=98int main(int, char**)=E2=80=99:
> bug2.cpp:17:28: warning: variable =E2=80=98func=E2=80=99 set but not used=
 [-Wunused-but-set-variable]
>    17 |         static const char *func =3D __FUNCTION__;
>       |                            ^~~~
> ~/tmp $=