Yet more work on eng::malloc

luprex/core/cpp/debugcollector.hpp

@@ -8,7 +8,7 @@
 #include <ostream>
 #include <memory>
 
-class DebugCollector {
+class DebugCollector : public eng::nevernew {
 private:
     // At any given time, the stringstream may contain one
     // extra line that hasn't yet been appended to the list of lines.
@@ -33,7 +33,7 @@ public:
     friend class DebugBlock;
 };
 
-class DebugBlock {
+class DebugBlock : public eng::nevernew {
 private:
     DebugCollector *dbc_;
     int n_regular_;