[Bug c++/118543] Previous forward declaration of enum causes early instantiation of later definition

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118543

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 60203
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60203&action=edit
Full testcase