[Bug rtl-optimization/93402] [8/9/10 Regression] Wrong code when returning padded struct

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93402

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47700
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47700&action=edit
gcc10-pr93402.patch

Untested fix.