[Bug middle-end/106495] [13 Regression] Build fails gcc/tree-ssa-threadbackward.cc:22: gcc/vec.h:890:19: error: array subscript 4294967294 is above array bounds of 'basic_block_def* [1]' [-Werror=array-bounds]

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106495

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 53397
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53397&action=edit
patch

I'm testing this.