[llvm] [llvm-nm][WebAssembly] Print function symbol sizes (PR #81315)

[Derek Schuff via llvm-commits]

dschuff wrote:

This seems to have broken some buildbots in a way that didn't reproduce for me locally. I'm investigating and will revert if I don't figure it out soon.

https://github.com/llvm/llvm-project/pull/81315