[Bug target/91931] [10 Regression] ICE in decompose, at rtl.h:2277

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91931

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 46977
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46977&action=edit
gcc10-pr91931.patch

Untested fix.