[Bug tree-optimization/73434] [6/7 Regression] Wrong code with casting, branches and aliasing

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=73434

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Broken with r229714.

That revision only reverts a bogus change though.