[Bug c++/82307] unscoped enum-base incorrect cast

[mukesh.kapoor at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82307

--- Comment #6 from Mukesh Kapoor <mukesh.kapoor at oracle dot com> ---
Submitted fix: https://gcc.gnu.org/ml/gcc-patches/2017-10/msg00524.html