[Bug middle-end/121322] [14/15/16 Regression] UBSAN error in find_bswap_or_nop (shift exponent 64 is too large for 64-bit type 'long unsigned int') since r14-1402

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121322

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 62019
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62019&action=edit
gcc16-pr121322.patch

Untested fix.