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

[pinskia at gcc dot gnu.org]

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

--- Comment #30 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #29)
> (In reply to Andrew Pinski from comment #27)
> > Comment on attachment 36720 [details]
> > A patch
> > 
> > How does this interact with LTO where lang_hooks.decls.empty_record_p is not
> > defined?
> 
> We can stream out empty record info and use it to in lto_empty_record_p.

Isn't an empty record is one without any field decls?