[Bug middle-end/78081] -Wmaybe-initialized false-alarm regression for Emacs regex.c (jump threading fallout)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78081

--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> ---
But... the reduced test case started triggering -Wmaybe-uninitialized in
r11-3685 while the original test case always has, so maybe I went too far with
the reduction and there are actually two bugs going on here.