[clang] [Clang] enhance error recovery with RecoveryExpr for trailing commas in call arguments (PR #114684)

[Mariya Podchishchaeva via cfe-commits]

================
@@ -2890,8 +2890,9 @@ Decl 
*Parser::ParseDeclarationAfterDeclaratorAndAttributes(
       // ProduceConstructorSignatureHelp only on VarDecls.
       ExpressionStarts = SetPreferredType;
     }
-
-    bool SawError = ParseExpressionList(Exprs, ExpressionStarts);
+    bool HasTrailingComma = false;
+    bool SawError =
+        ParseExpressionList(Exprs, ExpressionStarts, HasTrailingComma);
----------------
Fznamznon wrote:

This change doesn't seem necessary.

https://github.com/llvm/llvm-project/pull/114684
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