[libc-commits] [libc] [libc] Set default visibility for LLVM functions (PR #116686)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 requested changes to this pull request.

We do not want every symbol to have default visibility without some config. This will be very, very bad for the GPU case which wants LTO to be able to internalize these symbols.

https://github.com/llvm/llvm-project/pull/116686