[Bug tree-optimization/65216] wrong code at -O3 on x86_64-linux-gnu

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65216

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
The ranges are wrong before VRP2. Reassoc2 does something suspicious...