From: Jonathan Wakely <jwakely@redhat.com>
Date: Thu, 25 Jul 2024 17:38:46 +0000 (+0100)
Subject: libstdc++: Add comment noting LWG 3617 support
X-Git-Tag: basepoints/gcc-16~7196
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2da38b6a8896bff08db78e6587d6142b898c8730;p=thirdparty%2Fgcc.git

libstdc++: Add comment noting LWG 3617 support

The resolution was implemented in r14-8752-g6f75149488b74a but I didn't
add the usual _GLIBCXX_RESOLVE_LIB_DEFECTS comment.

libstdc++-v3/ChangeLog:

	* include/bits/std_function.h: Add comment about LWG 3617 being
	supported.
---

diff --git a/libstdc++-v3/include/bits/std_function.h b/libstdc++-v3/include/bits/std_function.h
index 79b59466fe9..bb8d8b9306c 100644
--- a/libstdc++-v3/include/bits/std_function.h
+++ b/libstdc++-v3/include/bits/std_function.h
@@ -698,6 +698,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     { using type = _Res(_Args...); };
 
 #if __cpp_explicit_this_parameter >= 202110L
+  // _GLIBCXX_RESOLVE_LIB_DEFECTS
+  // 3617. function/packaged_task deduction guides and deducing this
   template<typename _Res, typename _Tp, bool _Nx, typename... _Args>
     struct __function_guide_helper<_Res (*) (_Tp, _Args...) noexcept(_Nx)>
     { using type = _Res(_Args...); };