[Bug c++/99965] segfault only happening with -O3

[juanlucasrey at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99965

--- Comment #4 from Juan Lucas Rey <juanlucasrey at gmail dot com> ---
I get the error "cannot find -lubsan" with -fsanitize=alignment



g++ bug.cpp -o bug -O2 -ftree-loop-vectorize -fvect-cost-model && ./bug

this also reproduces the segfault