[clang-tools-extra] [clang-tidy] Add performance-move-smart-pointer-contents check. (PR #66139)

[via cfe-commits]

================
@@ -0,0 +1,23 @@
+.. title:: clang-tidy - performance-move-smart-pointer-contents
+
+performance-move-smart-pointer-contents
+=======================================
+
+Given a smart pointer containing a movable type, such as a
+`std::unique_ptr<SomeProtocolBuffer>`, it's possible to move the contents of the
+pointer rather than the pointer itself (ie `std::move(*p)` rather than
----------------
EugeneZelenko wrote:

`i.e.`?

https://github.com/llvm/llvm-project/pull/66139