[llvm] [llvm-cxxfilt] Add --quote option to quote demangled function names (PR #111871)

[James Henderson via llvm-commits]

https://github.com/jh7370 commented:

@keryell, for some reason your follow-up commit (https://github.com/keryell/clangir/commit/d3553f3f1be0f92ea3b78885a52b4755dafdf44a) isn't showing up in the PR, so I can't review it. Please push the commit to the branch used for this PR.

https://github.com/llvm/llvm-project/pull/111871