[Bug sanitizer/123873] UBSAN confuses optimizer

[peterz at infradead dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123873

--- Comment #7 from peterz at infradead dot org ---
Why the heck is bounds checking part of UBSAN? And if you want that enabled;
please get it away from CONFIG_UBSAN, which really is debug crud.