https://github.com/a-tarasyuk created https://github.com/llvm/llvm-project/pull/89850
Fixes #85447 >From 484100917d034bc30131ebb95578d09083a2325a Mon Sep 17 00:00:00 2001 From: Oleksandr T <oleksandr.taras...@outlook.com> Date: Wed, 24 Apr 2024 03:27:52 +0300 Subject: [PATCH] fix(85447): refine handling of incomplete anonymous struct declarations --- clang/lib/Sema/SemaDecl.cpp | 3 +++ clang/test/Sema/incomplete-struct-decl.cpp | 10 ++++++++++ 2 files changed, 13 insertions(+) create mode 100644 clang/test/Sema/incomplete-struct-decl.cpp diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 5fed554d9e25c3..debe0d9e865362 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -5789,6 +5789,9 @@ Decl *Sema::BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, Anon = VarDecl::Create(Context, Owner, DS.getBeginLoc(), Record->getLocation(), /*IdentifierInfo=*/nullptr, Context.getTypeDeclType(Record), TInfo, SC); + if (Invalid) + Anon->setInvalidDecl(); + ProcessDeclAttributes(S, Anon, Dc); // Default-initialize the implicit variable. This initialization will be diff --git a/clang/test/Sema/incomplete-struct-decl.cpp b/clang/test/Sema/incomplete-struct-decl.cpp new file mode 100644 index 00000000000000..21e445fa170f94 --- /dev/null +++ b/clang/test/Sema/incomplete-struct-decl.cpp @@ -0,0 +1,10 @@ +// RUN: %clang_cc1 %s -verify -fsyntax-only + +template <class a> using __impl_of = a; // expected-note {{'__impl_of' declared here}} \ + expected-note {{template is declared here}} +struct { // expected-error {{anonymous structs and classes must be class members}} \ + expected-note {{to match this '{'}} + __impl_; // expected-error {{no template named '__impl_'; did you mean '__impl_of'?}} \ + expected-error {{cannot specify deduction guide for alias template '__impl_of'}} \ + expected-error {{expected ';' after struct}} + // expected-error {{expected '}'}} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits