Fixed a flipped conditional when writing back the

values of variables in the Materializer.

The Materializer should not write the variable
back if its new value is the *same* as the old
value, not if the new value is *different*.

<rdar://problem/16712205>

llvm-svn: 207148

lldb/source/Expression/Materializer.cpp

@@ -614,7 +614,7 @@ public:
             if (m_original_data)
             {
                 if ((data.GetByteSize() == m_original_data->GetByteSize()) &&
-                    memcmp(m_original_data->GetBytes(), data.GetDataStart(), data.GetByteSize()))
+                    !memcmp(m_original_data->GetBytes(), data.GetDataStart(), data.GetByteSize()))
                 {
                     actually_write = false;
                 }