[Bug middle-end/107743] expmed.cc: extract_bit_field_1: -Wmaybe-uninitialized warning

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107743

--- Comment #5 from Sam James <sjames at gcc dot gnu.org> ---
See also r13-729-gc5c52372314911 for an earlier instance.