Re: [PATCH v2 11/11] ci: run expensive tests on push builds to integration branches

> https://github.com/git/git/actions/runs/25366120610/job/74377320625
> 
> We seem to be hitting the same _Generic error in various (but not all) jobs
> 
>   /usr/include/x86_64-linux-gnu/sys/cdefs.h:838:3: note: expanded from
> macro '__glibc_const_generic'
>     838 |   _Generic (0 ? (PTR) : (void *) 1,                     \
>         |   ^
>   Error: list-objects-filter-options.c:222:10: '_Generic' is a C11
> extension [-Werror,-Wc11-extensions]
> 
> I thought we updated the codebase to avoid stripping away constness
> with strchr() and friends, but the error seems to be more like one
> hand in the system passing -Wc11-extensions to stick to older version
> of C and the other hand in the system that uses _Generic to implement
> the const/non-const variants of strchr() in the system header not
> knowing that the other tells C11 const-preserving strchr() should not
> be used?