Author: Haojian Wu Date: 2025-02-14T16:21:53+01:00 New Revision: 922f339c4ef3631f66dc4b8caa4c356103dbf69d
URL: https://github.com/llvm/llvm-project/commit/922f339c4ef3631f66dc4b8caa4c356103dbf69d DIFF: https://github.com/llvm/llvm-project/commit/922f339c4ef3631f66dc4b8caa4c356103dbf69d.diff LOG: Diagnose the code with trailing comma in the function call. (#125232) This patch fixes a regression caused by https://github.com/llvm/llvm-project/pull/114684 where clang accepts trailing commas for function calls. Fixes #125225 Added: Modified: clang/lib/Parse/ParseExpr.cpp clang/test/Parser/recovery.cpp Removed: ################################################################################ diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp index da5f2ccf3a0c6..0c28972d6ed8f 100644 --- a/clang/lib/Parse/ParseExpr.cpp +++ b/clang/lib/Parse/ParseExpr.cpp @@ -2236,6 +2236,8 @@ Parser::ParsePostfixExpressionSuffix(ExprResult LHS) { if (PP.isCodeCompletionReached() && !CalledSignatureHelp) RunSignatureHelp(); LHS = ExprError(); + } else if (!HasError && HasTrailingComma) { + Diag(Tok, diag::err_expected_expression); } else if (LHS.isInvalid()) { for (auto &E : ArgExprs) Actions.CorrectDelayedTyposInExpr(E); diff --git a/clang/test/Parser/recovery.cpp b/clang/test/Parser/recovery.cpp index 4e2811c4cac92..2fce67a52c6b6 100644 --- a/clang/test/Parser/recovery.cpp +++ b/clang/test/Parser/recovery.cpp @@ -215,3 +215,10 @@ struct ::template foo, struct ::template bar; // expected-error 2 {{expected ide struct ::foo struct::; // expected-error {{no struct named 'foo' in the global namespace}} expected-error {{expected identifier}} class :: : {} a; // expected-error {{expected identifier}} expected-error {{expected class name}} } + +namespace GH125225 { +void func(int); +void k() { + func(1, ); // expected-error {{expected expression}} +} +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits