8324050: Issue store-store barrier after re-materializing objects dur…

…ing deoptimization

Reviewed-by: dlong, shade

src/hotspot/share/runtime/deoptimization.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1603,6 +1603,10 @@ void Deoptimization::reassign_fields(frame* fr, RegisterMap* reg_map, GrowableAr
       reassign_object_array_elements(fr, reg_map, sv, (objArrayOop) obj());
     }
   }
+  // These objects may escape when we return to Interpreter after deoptimization.
+  // We need barrier so that stores that initialize these objects can't be reordered
+  // with subsequent stores that make these objects accessible by other threads.
+  OrderAccess::storestore();
 }