[clang-tools-extra] [clang-tidy][cppcoreguidelines-missing-std-forward] Do not warn when the parameter is used in a `static_cast<T&>`. (PR #99477)

[Julian Schmidt via cfe-commits]

================
@@ -38,3 +38,12 @@ Example:
 This check implements `F.19
 <http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rf-forward>`_
 from the C++ Core Guidelines.
+
+Options
+-------
+
+.. option:: IgnoreStaticCasts
+
+   Boolean flag to allow users who want to use the forwarding reference as an
+   lvalue reference to convey he intention by using ``static_cast<T&>(t)`` to
+   disable warning. Default value is `false`.
----------------
5chmidti wrote:

`to convey the intention`
+
`, disabling the warning`

https://github.com/llvm/llvm-project/pull/99477