diff --git a/libstdc++-v3/testsuite/23_containers/deque/modifiers/insert/const_iterator.cc b/libstdc++-v3/testsuite/23_containers/deque/modifiers/insert/const_iterator.cc
index 9af2bc908864425af564e23919fd178ae2faa96e..42ca1dc10ae89f1f4d3a0166c72bcca30de4e631 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/modifiers/insert/const_iterator.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/modifiers/insert/const_iterator.cc
@@ -22,11 +22,11 @@
 
 void test01()
 {
-  std::deque<int> d1;
+  std::deque<int> d1, d2{5, 6};
   int n = 0;
   std::deque<int>::iterator it = d1.insert(d1.cbegin(), n);
   it = d1.insert(d1.cbegin(), 1);
   it = d1.insert(d1.cbegin(), {2, 3});
   it = d1.insert(d1.cbegin(), 1, 4);
-  it = d1.insert(d1.cbegin(), d1.begin(), d1.end());
+  it = d1.insert(d1.cbegin(), d2.begin(), d2.end());
 }
diff --git a/libstdc++-v3/testsuite/23_containers/list/modifiers/insert/const_iterator.cc b/libstdc++-v3/testsuite/23_containers/list/modifiers/insert/const_iterator.cc
index 75670ec7904d592c98eadd2de5eec75fdb9e6370..3e44720a5d16e161e106f2843758716c710ff102 100644
--- a/libstdc++-v3/testsuite/23_containers/list/modifiers/insert/const_iterator.cc
+++ b/libstdc++-v3/testsuite/23_containers/list/modifiers/insert/const_iterator.cc
@@ -22,11 +22,11 @@
 
 void test01()
 {
-  std::list<int> l1;
+  std::list<int> l1, l2{5, 6};
   int n = 0;
   std::list<int>::iterator it = l1.insert(l1.cbegin(), n);
   it = l1.insert(l1.cbegin(), 1);
   it = l1.insert(l1.cbegin(), {2, 3});
   it = l1.insert(l1.cbegin(), 1, 4);
-  it = l1.insert(l1.cbegin(), l1.begin(), l1.end());
+  it = l1.insert(l1.cbegin(), l2.begin(), l2.end());
 }
diff --git a/libstdc++-v3/testsuite/23_containers/vector/bool/modifiers/insert/const_iterator.cc b/libstdc++-v3/testsuite/23_containers/vector/bool/modifiers/insert/const_iterator.cc
index 93f3d9287115cc895c3c088e33d6e5b4972261bf..96cf71cc3e6570c2aa58cd7f6cc8725ccb01e83c 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/bool/modifiers/insert/const_iterator.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/bool/modifiers/insert/const_iterator.cc
@@ -22,9 +22,9 @@
 
 void test01()
 {
-  std::vector<bool> vb1;
+  std::vector<bool> vb1, vb2{true, false};
   std::vector<bool>::iterator it = vb1.insert(vb1.cbegin(), true);
   it = vb1.insert(vb1.cbegin(), {false, true});
   it = vb1.insert(vb1.cbegin(), 1, false);
-  it = vb1.insert(vb1.cbegin(), vb1.begin(), vb1.end());  
+  it = vb1.insert(vb1.cbegin(), vb2.begin(), vb2.end());  
 }
diff --git a/libstdc++-v3/testsuite/23_containers/vector/modifiers/insert/const_iterator.cc b/libstdc++-v3/testsuite/23_containers/vector/modifiers/insert/const_iterator.cc
index b1bf91edc221ee1214611ad87e15fcba57aeef43..21d9a824311c8ffc03e26d525338319f4493dad4 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/modifiers/insert/const_iterator.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/modifiers/insert/const_iterator.cc
@@ -22,11 +22,11 @@
 
 void test01()
 {
-  std::vector<int> v1;
+  std::vector<int> v1, v2{5, 6};
   int n = 0;
   std::vector<int>::iterator it = v1.insert(v1.cbegin(), n);
   it = v1.insert(v1.cbegin(), 1);
   it = v1.insert(v1.cbegin(), {2, 3});
   it = v1.insert(v1.cbegin(), 1, 4);
-  it = v1.insert(v1.cbegin(), v1.begin(), v1.end());
+  it = v1.insert(v1.cbegin(), v2.begin(), v2.end());
 }