[libcxx-commits] [PATCH] D150896: [libc++] Apply _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION only in classes that we have instantiated externally

Tue May 23 18:32:34 PDT 2023

gribozavr2 added a comment.

In D150896#4366406 <https://reviews.llvm.org/D150896#4366406>, @philnik wrote:

> Do you possibly have an explicit instantiation of `__gnu_cxx::hash_map<std::string>`? That would break things with this patch, and is most likely not supported.

Thanks for looking into this! Why would such a use case be unsupported?

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https://reviews.llvm.org/D150896