https://github.com/camc updated https://github.com/llvm/llvm-project/pull/157300
>From f4380abad3d19c7234cf632afca5413ec1a9c97e Mon Sep 17 00:00:00 2001
From: camc <69519329+c...@users.noreply.github.com>
Date: Sat, 6 Sep 2025 18:44:57 +0000
Subject: [PATCH 1/3] [clang] Allow attributes in constructor argument list in
pre-C++11
---
clang/lib/Parse/ParseDecl.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 10355bb874762..62ea148701dee 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -6007,7 +6007,7 @@ bool Parser::isConstructorDeclarator(bool IsUnqualified,
bool DeductionGuide,
// A C++11 attribute here signals that we have a constructor, and is an
// attribute on the first constructor parameter.
- if (getLangOpts().CPlusPlus11 &&
+ if (getLangOpts().CPlusPlus &&
isCXX11AttributeSpecifier(/*Disambiguate*/ false,
/*OuterMightBeMessageSend*/ true) !=
CXX11AttributeKind::NotAttributeSpecifier) {
>From 9f4ceb2255b0e6f30d6b9549ac7bf74d8aafdcab Mon Sep 17 00:00:00 2001
From: camc <69519329+c...@users.noreply.github.com>
Date: Sat, 6 Sep 2025 18:59:24 +0000
Subject: [PATCH 2/3] add test
---
clang/test/Parser/cxx03-attributes.cpp | 5 +++++
1 file changed, 5 insertions(+)
create mode 100644 clang/test/Parser/cxx03-attributes.cpp
diff --git a/clang/test/Parser/cxx03-attributes.cpp
b/clang/test/Parser/cxx03-attributes.cpp
new file mode 100644
index 0000000000000..565c03fae824b
--- /dev/null
+++ b/clang/test/Parser/cxx03-attributes.cpp
@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++03 %s
+
+struct S {
+ S([[clang::lifetimebound]] int&) {}
+};
\ No newline at end of file
>From abdd4470fad919c569a82e0b2c1f98e3fe97e4cc Mon Sep 17 00:00:00 2001
From: camc <69519329+c...@users.noreply.github.com>
Date: Sat, 6 Sep 2025 21:37:27 +0000
Subject: [PATCH 3/3] Add release note
---
clang/docs/ReleaseNotes.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index f36addc7857e0..7e9524cef0def 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -308,6 +308,8 @@ Bug Fixes in This Version
- Builtin elementwise operators now accept vector arguments that have different
qualifiers on their elements. For example, vector of 4 ``const float`` values
and vector of 4 ``float`` values. (#GH155405)
+- Stop rejecting C++11-style attributes on the first argument of constructors
in older
+ standards. (#GH156809).
Bug Fixes to Compiler Builtins
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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