[clang-tools-extra] [clang-tidy] performance-unnecessary-copy-initialization: Enhance the check for the scenario with MemberExpr initialization. (PR #151936)

[via cfe-commits]

================
@@ -172,7 +172,8 @@ Changes in existing checks
 
 - Improved :doc:`performance-unnecessary-copy-initialization
   <clang-tidy/checks/performance/unnecessary-copy-initialization>` by printing
-  the type of the diagnosed variable.
+  the type of the diagnosed variable and adding detection for local variables
+  initialized with a member variable of a const object.
----------------
EugeneZelenko wrote:

```suggestion
  initialized with a member variable of a ``const`` object.
```

https://github.com/llvm/llvm-project/pull/151936