1 files changed, 4 insertions, 1 deletions
diff --git a/cpp/src/Ice/BasicStream.cpp b/cpp/src/Ice/BasicStream.cpp
index 416af7e2edf..8c3b7b72869 100644
--- a/cpp/src/Ice/BasicStream.cpp
+++ b/cpp/src/Ice/BasicStream.cpp
@@ -36,7 +36,10 @@ void
 ice_copy(std::vector<Ice::Byte>::const_iterator first, std::vector<Ice::Byte>::const_iterator last,
        std::vector<Ice::Byte>::iterator result)
 {
-    memcpy(&*result, &*first, last - first);
+    if(last != first)
+    {
+	memcpy(&*result, &*first, last - first);
+    }
 }
 
 using namespace std;