*** old/src/share/vm/opto/parse3.cpp	Tue Nov 17 16:51:07 2009
--- new/src/share/vm/opto/parse3.cpp	Tue Nov 17 16:51:07 2009

*** 238,260 ****
--- 238,260 ----
    if (is_vol) {
      // First place the specific membar for THIS volatile index. This first
      // membar is dependent on the store, keeping any other membars generated
      // below from floating up past the store.
      int adr_idx = C->get_alias_index(adr_type);
!     insert_mem_bar_volatile(Op_MemBarVolatile, adr_idx, store);
  
      // Now place a membar for AliasIdxBot for the unknown yet-to-be-parsed
      // volatile alias indices. Skip this if the membar is redundant.
      if (adr_idx != Compile::AliasIdxBot) {
!       insert_mem_bar_volatile(Op_MemBarVolatile, Compile::AliasIdxBot, store);
      }
  
      // Finally, place alias-index-specific membars for each volatile index
      // that isn't the adr_idx membar. Typically there's only 1 or 2.
      for( int i = Compile::AliasIdxRaw; i < C->num_alias_types(); i++ ) {
        if (i != adr_idx && C->alias_type(i)->is_volatile()) {
!         insert_mem_bar_volatile(Op_MemBarVolatile, i, store);
        }
      }
    }
  
    // If the field is final, the rules of Java say we are in <init> or <clinit>.