[Bug c++/107019] -Wunused-but-set-variable false positive for static variable in lambda with boost

[mario at klebsch dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107019

Mario Klebsch <mario at klebsch dot de> changed:

           What    |Removed                     |Added
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                 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=53619&action=edit
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 ‘int main(int, char**)’:
> bug2.cpp:17:28: warning: variable ‘func’ set but not used [-Wunused-but-set-variable]
>    17 |         static const char *func = __FUNCTION__;
>       |                            ^~~~
> ~/tmp $