Index: boost/smart_ptr/scoped_array.hpp
===================================================================
--- boost/smart_ptr/scoped_array.hpp	(revision 65353)
+++ boost/smart_ptr/scoped_array.hpp	(working copy)
@@ -60,6 +60,13 @@
 #endif
     }
 
+    explicit scoped_array(std::size_t n) : px( n == 0 ? 0 : new T[n]() )
+    {
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+        boost::sp_array_constructor_hook( px );
+#endif
+    }
+
     ~scoped_array() // never throws
     {
 #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
Index: libs/smart_ptr/test/smart_ptr_test.cpp
===================================================================
--- libs/smart_ptr/test/smart_ptr_test.cpp	(revision 65353)
+++ libs/smart_ptr/test/smart_ptr_test.cpp	(working copy)
@@ -144,6 +144,16 @@
     sa.reset();
     BOOST_TEST( sa.get() == 0 );
 
+    std::size_t zero = 0;
+    BOOST_TEST( boost::scoped_array<char>(zero).get() == 0 );
+    std::size_t two = 2;
+    boost::scoped_array<char> scoped_array_of_size_two(two);
+    BOOST_TEST( scoped_array_of_size_two[0] == '\0' );
+    BOOST_TEST( scoped_array_of_size_two[1] == '\0' );
+    scoped_array_of_size_two[1] = '1';
+    BOOST_TEST( scoped_array_of_size_two[0] == '\0' );
+    BOOST_TEST( scoped_array_of_size_two[1] == '1' );
+
     //  test shared_ptr with a built-in type
     int * ip = new int;
     boost::shared_ptr<int> cp ( ip );