diff -r c5d3d979ae27 -r f96a1a986f7b src/share/vm/opto/parse3.cpp
--- a/src/share/vm/opto/parse3.cpp	Tue Dec 08 16:27:21 2009 -0800
+++ b/src/share/vm/opto/parse3.cpp	Wed Dec 09 16:40:45 2009 -0800
@@ -240,19 +240,19 @@
     // 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);
+    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);
+      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);
+        insert_mem_bar_volatile(Op_MemBarVolatile, i, store);
       }
     }
   }