*** old/src/share/vm/opto/chaitin.cpp	Mon Jan 19 10:27:15 2015
--- new/src/share/vm/opto/chaitin.cpp	Mon Jan 19 10:27:15 2015

*** 580,589 ****
--- 580,592 ----
    _allocator_successes += 1;
  
    // Peephole remove copies
    post_allocate_copy_removal();
  
+   // Merge multidefs if multiple defs representing the same value are used in a single block.
+   merge_multidefs();
+ 
  #ifdef ASSERT
    // Veify the graph after RA.
    verify(&live_arena);
  #endif