Looking more closely, Martin is running Clang 4.0.0. There are a few know inheritance bugs in 4.0.0 that were fixed in 4.0.1. This might be one of them.
Looking more closely, Martin is running Clang 4.0.0. There are a few know inheritance bugs in 4.0.0 that were fixed in 4.0.1. This might be one of them.