[Bug tree-optimization/121830] [16 regression] ice in vect_build_slp_tree_2, again ?

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121830

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Thanks for the interesting testcases.  Here we have a double AND reduction
which involves another nested cycle operand.