container.cc: Do not use uninitialized members in mem-initializers.

	* testsuite/24_iterators/insert_iterator/requirements/container.cc: Do
	not use uninitialized members in mem-initializers.
	* testsuite/ext/throw_value/cons.cc: Fix most vexing parse.
	* testsuite/util/testsuite_common_types.h: Update comment.

From-SVN: r209432

libstdc++-v3/ChangeLog

@@ -49,6 +49,11 @@
 	* testsuite/23_containers/unordered_set/requirements/
 	explicit_instantiation/3.cc: Likewise.
 
+	* testsuite/24_iterators/insert_iterator/requirements/container.cc: Do
+	not use uninitialized members in mem-initializers.
+	* testsuite/ext/throw_value/cons.cc: Fix most vexing parse.
+	* testsuite/util/testsuite_common_types.h: Update comment.
+
 2014-04-14  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/stl_vector.h (_Vector_base::_Vector_impl,

libstdc++-v3/testsuite/24_iterators/insert_iterator/requirements/container.cc

@@ -26,9 +26,9 @@
 // Check data member 'container' accessible.
 class test_dm : public std::insert_iterator<std::list<int> >
 {
-  container_type l;
-  container_type::iterator i;
+  container_type& l();
+  container_type::iterator i();
   container_type* p;
 public:
-  test_dm(): std::insert_iterator<std::list<int> >(l, i), p(container) { }
+  test_dm(): std::insert_iterator<std::list<int> >(l(), i()), p(container) { }
 };

libstdc++-v3/testsuite/ext/throw_value/cons.cc

-// { dg-options "-std=gnu++0x" }
+// { dg-options "-std=gnu++11" }
 
 // Copyright (C) 2009-2014 Free Software Foundation, Inc.
 //
@@ -24,8 +24,8 @@ void foo1()
 { 
   typedef __gnu_cxx::throw_value_limit value_type;
   value_type v1;
-  value_type v2(v2);
-  value_type v3(value_type());
+  value_type v2{v1};
+  value_type v3{value_type()};
 }
 
 bool foo2()

libstdc++-v3/testsuite/util/testsuite_common_types.h

@@ -689,7 +689,8 @@ namespace __gnu_test
       struct _Concept;
 
     // NB: _Tp must be a literal type.
-    // Have to have user-defined default ctor for this to work.
+    // Have to have user-defined default ctor for this to work,
+    // or implicit default ctor must initialize all members.
     template<typename _Tp>
       struct _Concept<_Tp, true>
       {