[Bug middle-end/87370] Regression in return struct code

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87370

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 44769
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44769&action=edit
I am testing this patch