[Bug rtl-optimization/77401] [7 Regression] ICE: in simplify_binary_operation_1, at simplify-rtx.c:3731 with out-of-bounds vector access

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77401

--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> ---
Created attachment 39507
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39507&action=edit
reduced testcase