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

[Ronan Keryell via llvm-commits]

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@@ -52,6 +52,11 @@ OPTIONS
 
   Do not demangle function parameters or return types.
 
+.. option:: --quote
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keryell wrote:

That makes sense.

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