__reference_constructs_from_temporary
This is information that the compiler already has, and should be exposed so that the library doesn't need to reimplement the exact same functionality. Differential Revision: https://reviews.llvm.org/D135341
FileEntryRef
FileManager::getBufferForFile()
CreateHeaderMap()
ModuleMap::InferredModuleAllowedBy
LookupSubframeworkHeader()