[Bug c++/60336] empty struct value is passed differently in C and C++

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60336

--- Comment #26 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 36720
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36720&action=edit
A patch

I am testing this patch.