From: Jonathan Wakely <jwakely@redhat.com>
Date: Wed, 22 Mar 2023 11:42:11 +0000 (+0000)
Subject: libstdc++: Add comment to <format> (LWG 3720)
X-Git-Tag: basepoints/gcc-14~400
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d4f4ce6a5dcefc5c97a8d05461653cbf536b745;p=thirdparty%2Fgcc.git

libstdc++: Add comment to <format> (LWG 3720)

libstdc++-v3/ChangeLog:

	* include/std/format: Add a comment noting that the resolution
	of LWG 3720 has been applied..
---

diff --git a/libstdc++-v3/include/std/format b/libstdc++-v3/include/std/format
index b1e627048de9..0e40bce5c157 100644
--- a/libstdc++-v3/include/std/format
+++ b/libstdc++-v3/include/std/format
@@ -3119,6 +3119,8 @@ namespace __format
 	// 3721. Allow an arg-id with a value of zero for width
 	else if constexpr (sizeof(_Tp) <= sizeof(long long))
 	  {
+	    // _GLIBCXX_RESOLVE_LIB_DEFECTS
+	    // 3720. Restrict the valid types of arg-id for width and precision
 	    if constexpr (__is_unsigned_integer<_Tp>::value)
 	      return __arg;
 	    else if constexpr (__is_signed_integer<_Tp>::value)