[Bug tree-optimization/91945] [10 Regression] ICE: tree check: expected integer_cst, have var_decl in get_len, at tree.h:5837 since r274997

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91945

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 47093
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47093&action=edit
Reduced test-case