[Bug c++/81812] Empty virtual function fails to compile
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81812 --- Comment #2 from Ben Woodard --- Uncommenting the printf allows it to compile. This showed up on F26 x86_64 compiling MRNet
[Bug c++/81812] Empty virtual function fails to compile
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81812 --- Comment #1 from Andrew Pinski --- Which target is this on?