[cxx-interop] Import iterator types that are not typedef-ed #67482
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This prevented `std::vector<std::string>` from being auto-conformed to `CxxRandomAccessCollection`. If an iterator type is templated, and does not have an explicit instantiation via a typedef or a using-decl, its specialization will not have an owning Clang module. Make sure we treat it as a part of the Clang module that owns the template decl. rdar://112762768 / resolves #67410
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Jul 24, 2023
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This prevented
std::vector<std::string>from being auto-conformed toCxxRandomAccessCollection.If an iterator type is templated, and does not have an explicit instantiation via a typedef or a using-decl, its specialization will not have an owning Clang module. Make sure we treat it as a part of the Clang module that owns the template decl.
rdar://112762768 / resolves #67410