[Bug tree-optimization/121264] [15/16 Regression] ifcombine wrong code with byte offset 0x20000000 since r15-6173-ge8febb641415fd

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121264

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 62004
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62004&action=edit
gcc16-pr121264.patch

Untested fix.