[libc++] Fix extern template visibility for Windows On Windows, marking an `extern template class` declaration as exported actually forces an instantiation, which is not the desired behavior. Instead, the actual explicit instantiations need to be exported. Differential Revision: https://reviews.llvm.org/D24679 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@281925 91177308-0d34-0410-b5e6-96231b3b80d8 
5 files changed