[Bug c++/94067] [10 Regression] ICE on rotate with -Wconversion since r10-6527

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94067

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47986
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47986&action=edit
gcc10-pr94067.patch

Untested fix.