d_demo debug (#3098)

include/JSystem/JGadget/binary.h

@@ -100,6 +100,8 @@ struct TValueIterator
 
     TValueIterator(const void* begin) {
         mBegin = reinterpret_cast<const char*>(begin);
+        bool unused = false;
+        (void)&unused;
     }
 
     const void* get() const { return mBegin; }

include/JSystem/JGadget/linklist.h

@@ -14,7 +14,12 @@ struct TLinkListNode {
         pPrev_ = NULL;
     }
 
-    ~TLinkListNode() {}
+    ~TLinkListNode() {
+#if DEBUG
+        JGADGET_ASSERTWARN(77, pNext_==NULL);
+        JGADGET_ASSERTWARN(78, pPrev_==NULL);
+#endif
+    }
 
     TLinkListNode* getNext() const { return pNext_; }
     TLinkListNode* getPrev() const { return pPrev_; }