[Bug tree-optimization/91790] ICE: verify_ssa failed (error: definition in block 2 follows the use)

[linkw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91790

--- Comment #14 from Kewen Lin <linkw at gcc dot gnu.org> ---
Yes, I'd like to wait for two weeks to ensure it's safe enough and then
backport to gcc9. Does it sound good?