*** old/src/share/vm/ci/bcEscapeAnalyzer.cpp	Fri Jun 16 14:34:20 2017
--- new/src/share/vm/ci/bcEscapeAnalyzer.cpp	Fri Jun 16 14:34:20 2017

*** 551,569 ****
--- 551,579 ----
          ArgumentMap arr = state.apop();
          set_method_escape(arr);
          set_modified(arr, OFFSET_ANY, type2size[T_LONG]*HeapWordSize);
          break;
        }
        case Bytecodes::_vastore:
        case Bytecodes::_aastore:
        {
          set_global_escape(state.apop());
          state.spop();
          ArgumentMap arr = state.apop();
          set_modified(arr, OFFSET_ANY, type2size[T_OBJECT]*HeapWordSize);
          break;
        }
+       case Bytecodes::_vastore:
+       {
+         set_global_escape(state.apop());
+         state.spop();
+         ArgumentMap arr = state.apop();
+         // If the array is flattened, a larger part of it is modified than
+         // the size of a reference. However, if OFFSET_ANY is given as
+         // parameter to set_modified(), size is not taken into account.
+         set_modified(arr, OFFSET_ANY, type2size[T_VALUETYPE]*HeapWordSize);
+         break;
+       }
        case Bytecodes::_pop:
          state.raw_pop();
          break;
        case Bytecodes::_pop2:
          state.raw_pop();