# 
# 
# patch "netsync.cc"
#  from [a9812d9e1de941e6f142602ef48ee75ffec09729]
#    to [4567495c1def78a667f5c43fbebe210c17f23f8a]
# 
============================================================
--- netsync.cc	a9812d9e1de941e6f142602ef48ee75ffec09729
+++ netsync.cc	4567495c1def78a667f5c43fbebe210c17f23f8a
@@ -2048,8 +2048,11 @@
   string typestr;
   netcmd_item_type_to_string(ty, typestr);
 
-  for (set<id>::const_iterator i = items.begin(); 
-       i != items.end(); ++i)
+  // Use temporary; passed arg will be invalidated during iteration.
+  set<id> tmp = items;
+
+  for (set<id>::const_iterator i = tmp.begin(); 
+       i != tmp.end(); ++i)
     {  
       hexenc<id> hitem;
       encode_hexenc(*i, hitem);