[Bug target/88785] [9 Regression] ICE in as_a, at machmode.h:353

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88785

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45402
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45402&action=edit
gcc9-pr88785.patch

Untested fix.