C++: Fix polymorphic lookup and add tests #576
Merged
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The previous iteration does not make ASAN happy because of the implicit
static cast between Message and concrete type. This PR reverts that
change, adds a new abstract validation registry, and explicitly performs
a dynamic cast when asked to do so. It also checks to make sure a
validator exists for the passed in message.
Also add a .clang-format so at least manual formatting can be done.
Signed-off-by: Matt Klein [email protected]