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

[nathan at gcc dot gnu.org]

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

--- Comment #7 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Created attachment 44624
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44624&action=edit
this is the testcase