[Bug tree-optimization/122104] [13/14/15/16 Regression] Incorrect range after widening_mul creating MUL_OVERFLOW since r11-6579

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122104

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 62497
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62497&action=edit
gcc16-pr122104.patch

Untested fix.