[Bug c++/63164] unnecessary calls to __dynamic_cast

[avi at scylladb dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63164

--- Comment #4 from Avi Kivity <avi at scylladb dot com> ---
Oops, last comment intended for a separate bug. Curse the bug list thing.