diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 3d9b49a1e8c..22970112aa4 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2009-12-10  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* testsuite/util/testsuite_containers.h (populate<>::populate(_Tp&)):
+	Avoid used uninitialized warning. 
+	* include/ext/pb_ds/detail/cc_hash_table_map_/
+	constructor_destructor_fn_imps.hpp: Fix typo causing sequence point
+	warning.
+
 2009-12-09  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/profile/impl/profiler_container_size.h: Fix include
diff --git a/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_fn_imps.hpp
index 57111537319..24294ad9135 100644
--- a/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_fn_imps.hpp
+++ b/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_fn_imps.hpp
@@ -129,7 +129,7 @@ PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) :
   PB_DS_HASH_EQ_FN_C_DEC(other),
   resize_base(other), ranged_hash_fn_base(other),
   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
-  m_entries(m_entries = s_entry_pointer_allocator.allocate(m_num_e))
+  m_entries(s_entry_pointer_allocator.allocate(m_num_e))
 {
   initialize();
   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
diff --git a/libstdc++-v3/testsuite/util/testsuite_containers.h b/libstdc++-v3/testsuite/util/testsuite_containers.h
index 62bf38f3d1c..af07441fbd0 100644
--- a/libstdc++-v3/testsuite/util/testsuite_containers.h
+++ b/libstdc++-v3/testsuite/util/testsuite_containers.h
@@ -149,9 +149,10 @@ namespace __gnu_test
     {
       populate(_Tp& container)
       {
-	typename _Tp::value_type v;
-	container.insert(container.begin(), v);
-	container.insert(container.begin(), v);
+	// Avoid uninitialized warnings, requires DefaultContructible.
+	typedef typename _Tp::value_type value_type;
+	container.insert(container.begin(), value_type());
+	container.insert(container.begin(), value_type());
       }
   };