================
@@ -261,21 +262,27 @@ void 
UnnecessaryCopyInitialization::registerMatchers(MatchFinder *Finder) {
                      this);
 }
 
+UnnecessaryCopyInitialization::CheckContext::CheckContext(
----------------
legrosbuffle wrote:

I think it's a simple matter of preference, I think we can see the constructor 
as a factory function for the context.

To me the following are all kind of equivalent:
  - `CheckContext Context(Result);`
  - `CheckContext Context = MakeContext(Result);`
  - `CheckContext Context{NewVar, ...}`

With the caveat that the latter allows putting the context in an invalid state 
(e.g. with `IsVarUnused` in an inconsistent value w.r.t. `Var`). Anyway I don't 
feel strongly, so I've switched to a raw struct without ctor as suggested. 


https://github.com/llvm/llvm-project/pull/73921
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