https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108379
--- Comment #2 from Sam James <sam at gentoo dot org> --- Minimum command needed to reproduce: ``` $ gcc-13 -Werror -Wuninitialized -O2 -c tee.i src/tee.c: In function 'tee_files': src/tee.c:272:25: error: 'out_pollable' may be used uninitialized [-Werror=maybe-uninitialized] src/tee.c:238:8: note: 'out_pollable' was declared here cc1: all warnings being treated as errors ```