[Bug c++/87137] [8/9 Regression] Non-virtual member function increases struct size

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87137

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It compiles successfully with MSVC https://godbolt.org/z/Cw-yiW