[clang] [C] Handle comma operator for implicit int->enum conversions (PR #138752)

[Erich Keane via cfe-commits]

================
@@ -12464,7 +12487,7 @@ static void AnalyzeImplicitConversions(
           << OrigE->getSourceRange() << T->isBooleanType()
           << FixItHint::CreateReplacement(UO->getBeginLoc(), "!");
 
-  if (const auto *BO = dyn_cast<BinaryOperator>(SourceExpr))
+  if (auto *BO = dyn_cast<BinaryOperator>(SourceExpr))
----------------
erichkeane wrote:

Why do we lose `const` here?  

https://github.com/llvm/llvm-project/pull/138752