[Bug tree-optimization/88771] [9 Regression] Misleading -Werror=array-bounds error

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88771

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Original test-case started to produce the warning since r263662.