[Bug tree-optimization/107919] Possibly false-positive "maybe-uninitialized" with GCC 12 on complex variant-variant-tuple-unique_ptr types

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107919

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed at -O1, still mis-diagnosed at -O2.