[Clang] Mark P1061 (Structured Bindings can introduce a Pack) as implemented (llvm#127980)

Implemented in abc8812

Author: cor3ntin

clang/docs/LanguageExtensions.rst

@@ -1640,6 +1640,7 @@ Conditional ``explicit``                     __cpp_conditional_explicit       C+
 ``static operator()``                        __cpp_static_call_operator       C++23         C++03
 Attributes on Lambda-Expressions                                              C++23         C++11
 Attributes on Structured Bindings            __cpp_structured_bindings        C++26         C++03
+Packs in Structured Bindings                 __cpp_structured_bindings        C++26         C++03
 Static assert with user-generated message    __cpp_static_assert >= 202306L   C++26         C++11
 Pack Indexing                                __cpp_pack_indexing              C++26         C++03
 ``= delete ("should have a reason");``       __cpp_deleted_function           C++26         C++03

clang/docs/ReleaseNotes.rst

@@ -71,6 +71,8 @@ C++ Language Changes
 C++2c Feature Support
 ^^^^^^^^^^^^^^^^^^^^^
 
+- Implemented `P1061R10 Structured Bindings can introduce a Pack <https://wg21.link/P1061R10>`_.
+
 C++23 Feature Support
 ^^^^^^^^^^^^^^^^^^^^^
 

clang/lib/Frontend/InitPreprocessor.cpp

@@ -720,7 +720,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
     Builder.defineMacro("__cpp_nested_namespace_definitions", "201411L");
     Builder.defineMacro("__cpp_variadic_using", "201611L");
     Builder.defineMacro("__cpp_aggregate_bases", "201603L");
-    Builder.defineMacro("__cpp_structured_bindings", "202403L");
+    Builder.defineMacro("__cpp_structured_bindings", "202411L");
     Builder.defineMacro("__cpp_nontype_template_args",
                         "201411L"); // (not latest)
     Builder.defineMacro("__cpp_fold_expressions", "201603L");

clang/test/Lexer/cxx-features.cpp

@@ -229,7 +229,7 @@
 #error "wrong value for __cpp_aggregate_bases"
 #endif
 
-#if check(structured_bindings, 0, 0, 0, 202403L, 202403L, 202403L, 202403L)
+#if check(structured_bindings, 0, 0, 0, 202411L, 202411L, 202411L, 202411L)
 #error "wrong value for __cpp_structured_bindings"
 #endif
 

clang/www/cxx_status.html

@@ -244,7 +244,7 @@ <h2 id="cxx26">C++2c implementation status</h2>
  <tr>
   <td>Structured Bindings can introduce a Pack</td>
   <td><a href="https://wg21.link/P1061R10">P1061R10</a></td>
-  <td class="none" align="center">No</td>
+  <td class="unreleased" align="center">Clang 21</td>
  </tr>
  <tr>
   <td>The Oxford variadic comma</td>