Index: src/misc/hashtable.hpp
===================================================================
--- src/misc/hashtable.hpp	(revision 27993)
+++ src/misc/hashtable.hpp	(working copy)
@@ -256,6 +256,25 @@
 		slot.Attach(new_item);
 		m_num_items++;
 	}
+
+	~CHashTableT()
+	{
+		static bool dumped = false;
+		if (!dumped && m_num_items > 3000) {
+			const char *path = "/tmp/hashdump.txt";
+			FILE *f = fopen(path, "w");
+			fprintf(f, "%d items in %d slots\n", m_num_items, (1 << Thash_bits));
+			for (int i = 0; i < (1 << Thash_bits); i++) {
+				Titem *p = m_slots[i].m_pFirst;
+				int j = 0;
+				while (p) { j++; p = p->GetHashNext(); }
+				fprintf(f, "%d\t%d\n", i, j);
+			}
+			fclose(f);
+			fprintf(stderr, "[hash] wrote %s\n", path);
+			dumped = true;
+		}
+	}
 };
 
 #endif /* HASHTABLE_HPP */