[Bug c++/61214] [4.9/4.10 regression] Weird interaction between -fvisibility-inlines-hidden, inline virtuals and devirtualization

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61214

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Vadim Zeitlin from comment #4)
> I'd be grateful for any workaround suggestions in the meanwhile.

-fno-devirtualize should avoid the problem.