[Bug rtl-optimization/90311] [9 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 #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
If fixed on the trunk, I think it would be nice to commit the testcase (there
is nothing arm specific on it, so I'd say it should go into
gcc.c-torture/execute/).
I can handle that.