[Bug tree-optimization/66280] [4.8/4.9 Regression] ICE: in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1472

[sfilippone at uniroma2 dot it]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66280

--- Comment #12 from Salvatore Filippone <sfilippone at uniroma2 dot it> ---
Created attachment 35763
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35763&action=edit
test case