[clang] [analyzer] Conversion to CheckerFamily: NSOrCFErrorDerefChecker (PR #151171)

[Donát Nagy via cfe-commits]

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@@ -142,34 +142,18 @@ void CFErrorFunctionChecker::checkASTDecl(const FunctionDecl *D,
 //===----------------------------------------------------------------------===//
 
 namespace {
+class NSOrCFErrorDerefChecker
+    : public CheckerFamily<check::Location,
+                           check::Event<ImplicitNullDerefEvent>> {
+  mutable IdentifierInfo *NSErrorII = nullptr, *CFErrorII = nullptr;
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NagyDonat wrote:

Yes, why not :)

https://github.com/llvm/llvm-project/pull/151171