From: Patrick Palka <ppalka@redhat.com>
Date: Sun, 20 Jun 2021 16:38:35 +0000 (-0400)
Subject: libstdc++: Define split_view::_InnerIter::base as per P2210
X-Git-Tag: releases/gcc-11.3.0~764
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=565602a23ac68559086a1bc43e1eb49ae3e96c8d;p=thirdparty%2Fgcc.git

libstdc++: Define split_view::_InnerIter::base as per P2210

libstdc++-v3/ChangeLog:

	* include/std/ranges (split_view::_InnerIter::base): Define as
	per P2210.

(cherry picked from commit 85a594f7dc8ea5c765e136f162debb668139ebd4)
---

diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index 1f43cad1d731..c507862660bc 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -3021,6 +3021,14 @@ namespace views::__adaptor
 	    : _M_i(std::move(__i))
 	  { }
 
+	  constexpr iterator_t<_Base>
+	  base() const& requires copyable<iterator_t<_Base>>
+	  { return _M_i_current(); }
+
+	  constexpr iterator_t<_Base>
+	  base() &&
+	  { return std::move(_M_i_current()); }
+
 	  constexpr decltype(auto)
 	  operator*() const
 	  { return *_M_i_current(); }