*** old/src/share/vm/opto/macro.cpp	Thu Apr 28 15:53:53 2011
--- new/src/share/vm/opto/macro.cpp	Thu Apr 28 15:53:53 2011

*** 2145,2154 ****
--- 2145,2159 ----
        Node * n = C->macro_node(i-1);
        bool success = false;
        debug_only(int old_macro_count = C->macro_count(););
        if (n->is_AbstractLock()) {
          success = eliminate_locking_node(n->as_AbstractLock());
+       } else if (n->Opcode() == Op_LoopLimit) {
+         // Remove it from macro list and put on IGVN worklist to optimize.
+         C->remove_macro_node(n);
+         _igvn._worklist.push(n);
+         success = true;
        } else if (n->Opcode() == Op_Opaque1 || n->Opcode() == Op_Opaque2) {
          _igvn.replace_node(n, n->in(1));
          success = true;
        }
        assert(success == (C->macro_count() < old_macro_count), "elimination reduces macro count");