[Bug tree-optimization/98629] [11 Regression] ice during GIMPLE pass: widening_mul

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98629

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 49941
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49941&action=edit
gcc11-pr98629.patch

Untested fix.