*** old/src/share/vm/opto/reg_split.cpp	Tue Nov 27 18:45:22 2012
--- new/src/share/vm/opto/reg_split.cpp	Tue Nov 27 18:45:21 2012

*** 745,755 ****
--- 745,755 ----
              }
              assert( u, "at least 1 valid input expected" );
              if( i >= cnt ) {    // Found one unique input
                assert(Find_id(n) == Find_id(u), "should be the same lrg");
                n->replace_by(u); // Then replace with unique input
!               n->disconnect_inputs(NULL, C);
                b->_nodes.remove(insidx);
                insidx--;
                b->_ihrp_index--;
                b->_fhrp_index--;
              }