[Bug rtl-optimization/112760] [14 Regression] wrong code with -O2 -fno-dce -fno-guess-branch-probability -m8bit-idiv -mavx --param=max-cse-insns=0 and __builtin_add_overflow_p() since r14-5355

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112760

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
This is now latent, we need to decide about the updating and usability of
REG_UNUSED notes, but after moving the pass it shouldn't trigger on this
testcase.