[clang] [analyzer] Add an ownership change visitor to StreamChecker (PR #94957)

[Donát Nagy via cfe-commits]

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@@ -168,8 +193,9 @@ REGISTER_MAP_WITH_PROGRAMSTATE(StreamMap, SymbolRef, StreamState)
 namespace {
 
 class StreamChecker;
-using FnCheck = std::function<void(const StreamChecker *, const FnDescription *,
-                                   const CallEvent &, CheckerContext &)>;
+using FnCheckTy = void(const StreamChecker *, const FnDescription *,
+                                   const CallEvent &, CheckerContext &);
+using FnCheck = std::function<FnCheckTy>;
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NagyDonat wrote:

What is the goal of this change?

https://github.com/llvm/llvm-project/pull/94957