[Bug debug/58150] debug info about definition of enum class not emitted if the declaration was already used in a class

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58150

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note this can happen even with normal enum and not just enum class as long as
you specify the underlying type.