[Bug tree-optimization/108467] false positive -Wmaybe-uninitialized warning at -O1 or higher

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108467

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
There's some special code dealing with checking on a conditional set value
but that's confused by the two-value guard here.