[Bug c++/84502] [8 Regression] Argument corruption when passing empty templated struct

[patrick.schlangen at bmw dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84502

--- Comment #6 from patrick.schlangen at bmw dot de ---
(In reply to Jakub Jelinek from comment #5)
> Completely untested fix:

I've applied the patch and it seems to resolve the issue.
Thanks a lot!