https://github.com/Rajveer100 created https://github.com/llvm/llvm-project/pull/96301
Resolves #95854 -- As per https://eel.is/c++draft/dcl.init#general-8.3 >From c8f2496e91d58c8704911665e1bf1dd7dfbb1d2e Mon Sep 17 00:00:00 2001 From: Rajveer <rajveer.develo...@icloud.com> Date: Fri, 21 Jun 2024 18:26:36 +0530 Subject: [PATCH] [clang] Allow class with anonymous union member to be const-default-constructible even if a union member has a default member initializer (#95854) Resolves #95854 -- As per https://eel.is/c++draft/dcl.init#general-8.3 --- clang/include/clang/AST/DeclCXX.h | 3 ++- clang/test/Sema/debug-95854.cpp | 11 +++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) create mode 100644 clang/test/Sema/debug-95854.cpp diff --git a/clang/include/clang/AST/DeclCXX.h b/clang/include/clang/AST/DeclCXX.h index fb52ac804849d..1d1083a5d6205 100644 --- a/clang/include/clang/AST/DeclCXX.h +++ b/clang/include/clang/AST/DeclCXX.h @@ -1392,7 +1392,8 @@ class CXXRecordDecl : public RecordDecl { bool allowConstDefaultInit() const { return !data().HasUninitializedFields || !(data().HasDefaultedDefaultConstructor || - needsImplicitDefaultConstructor()); + needsImplicitDefaultConstructor()) || + hasInClassInitializer(); } /// Determine whether this class has a destructor which has no diff --git a/clang/test/Sema/debug-95854.cpp b/clang/test/Sema/debug-95854.cpp new file mode 100644 index 0000000000000..1fb976558650d --- /dev/null +++ b/clang/test/Sema/debug-95854.cpp @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 -std=c++23 -fsyntax-only -verify %s +// +// expected-no-diagnostics + +struct A { + union { + int n = 0; + int m; + }; +}; +const A a; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
