[Bug rtl-optimization/90311] [9/10 Regression] wrong code with -O and __builtin_add_overflow() and compare

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90311

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I'd like to ping this, anyone familiar with ARM instruction set as well as the
backend can have a look?