[Bug target/107172] [13 Regression] wrong code with "-O1 -ftree-vrp" on x86_64-linux-gnu since r13-1268-g8c99e307b20c502e

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107172

--- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Bah, scratch that last part, of course it is valid (I thought this was using 0
in a MODE_CC but I just cannot read).