[Bug middle-end/126153] [13/14/15/16/17 Regression] [csmith] runtime crash with -O3 -ftrivial-auto-var-init=zero

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126153

--- Comment #10 from Sam James <sjames at gcc dot gnu.org> ---
i think the reduction has UB. You can try again with some -Werror=uniniitalised
-Werror=aggressive-loop-optimizations and such added, or I can have a go in a
few days.