[undefined]
# downcast, probably FP due to visibility issues
src:*boost/any.hpp

# probably FP due to visibility issues; macOS BigSur 11.6; fmt 8.1.1
src:/usr/local/include/fmt/*
# src:/Library/Developer/CommandLineTools/SDKs/MacOSX11\.3\.sdk/usr/include/c\+\+/v1/iterator
