[llvm] [llvm-cxxfilt] Added the option --no-params (PR #75348)

[James Henderson via llvm-commits]

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@@ -48,6 +48,10 @@ OPTIONS
 
   Print a summary of command line options.
 
+.. option:: --no-params, -p
+
+  Do not parse function parameters.
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jh7370 wrote:

I'd change this to something like "Do not demangle function parameters or return types."

https://github.com/llvm/llvm-project/pull/75348