[clang-tools-extra] [llvm] Port clang-tidy to Opts.td and multicall (PR #201743)

[Baranov Victor via cfe-commits]

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@@ -126,164 +127,169 @@ An overview of all the command-line options:
 .. code-block:: console
 
   $ clang-tidy --help
-  USAGE: clang-tidy [options] <source0> [... <sourceN>]
+  OVERVIEW: clang-tidy
 
-  OPTIONS:
+  USAGE: clang-tidy [options] <source0> [... <sourceN>] [-- <compiler arguments>]
 
   Generic Options:
-
-    --help                           - Display available options (--help-hidden for more)
-    --help-list                      - Display list of available options (--help-list-hidden for more)
-    --version                        - Display the version of this program
+    --help-list Display list of available options (--help-list-hidden for more)
+    --help      Display available options (--help-hidden for more)
+    --version   Display the version of this program
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vbvictor wrote:

This is unnecessary churn, could you explain why all these formatting changes are needed 

https://github.com/llvm/llvm-project/pull/201743