[llvm] [Minidump] Add extern template declarations for MinidumpFile::getListStream (PR #112568)

[Pavel Labath via llvm-commits]

https://github.com/labath commented:

This was just me trying to reduce the size of the header. I may have been to clever about that.

The function itself is not that big, and there's no reason why it has to be in the cpp file. Would moving the function definition to the header be a better solution?

https://github.com/llvm/llvm-project/pull/112568