[Bug c++/58192] G++ emits incorrect code when passing enum classes as function parameters

[temporal at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58192

--- Comment #1 from Kenton Varda <temporal at gmail dot com> ---
Created attachment 30672
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30672&action=edit
Demonstration of enum class passing bug