https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90212
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[8/9/10/11 Regression] |[8 Regression] by-ref
|by-ref capture of constexpr |capture of constexpr class
|class object rejected |object rejected
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed for 9.4/10.2/11. Is this important to fix in GCC 8?
