[gcc r11-6699] libstdc++: Implement N3644 for _GLIBCXX_DEBUG iterators

[Franथईois Dumont]

https://gcc.gnu.org/g:02e7af1122c1aae7c4c764aaa078f72a54645c06

commit r11-6699-g02e7af1122c1aae7c4c764aaa078f72a54645c06
Author: François Dumont <fdumont@gcc.gnu.org>
Date:   Thu Jan 14 22:41:23 2021 +0100

    libstdc++: Implement N3644 for _GLIBCXX_DEBUG iterators
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/23_containers/deque/debug/98466.cc: Make it pre-C++11
            compliant.

Diff:
---
 libstdc++-v3/testsuite/23_containers/deque/debug/98466.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/libstdc++-v3/testsuite/23_containers/deque/debug/98466.cc b/libstdc++-v3/testsuite/23_containers/deque/debug/98466.cc
index 720977e5622..c2d7933747e 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/debug/98466.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/debug/98466.cc
@@ -15,7 +15,7 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
-// { dg-do run { target c++11 } }
+// { dg-do run }
 
 #include <debug/deque>
 #include <testsuite_hooks.h>
@@ -24,10 +24,12 @@
 
 void test01()
 {
-  __gnu_debug::deque<int>::iterator it{};
+  typedef typename __gnu_debug::deque<int>::iterator It;
+  It it = It();
   VERIFY( it == it );
 
-  __gnu_debug::deque<int>::const_iterator cit{};
+  typedef typename __gnu_debug::deque<int>::const_iterator Cit;
+  Cit cit = Cit();
   VERIFY( cit == cit );
 }