[Bug rtl-optimization/121920] ICE (SIGSEGV, NULL-ptr reference) in rtl_ssa::clobber_info::recompute_group() with -O2 -std=gnu11 -fstack-protector-strong on mips64el

[mjt+gcc at tls dot msk.ru via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121920

--- Comment #2 from Michael Tokarev <mjt+gcc at tls dot msk.ru> ---
It took me 3 hours at night to run cvise and to find the right combination of
compiler flags... *sigh* :)