--- old/src/share/vm/opto/escape.cpp	2017-03-16 19:06:16.000000000 +0300
+++ new/src/share/vm/opto/escape.cpp	2017-03-16 19:06:15.000000000 +0300
@@ -2302,8 +2302,16 @@
   //       | |
   //       AddP  ( base == address )
   //
+  // case #9. Mixed unsafe access
+  //    {instance}
+  //        |
+  //      CheckCastPP (raw)
+  //  top   |
+  //     \  |
+  //     AddP  ( base == top )
+  //
   Node *base = addp->in(AddPNode::Base);
-  if (base->uncast()->is_top()) { // The AddP case #3 and #6.
+  if (base->uncast()->is_top()) { // The AddP case #3, #6, and #9.
     base = addp->in(AddPNode::Address);
     while (base->is_AddP()) {
       // Case #6 (unsafe access) may have several chained AddP nodes.
@@ -2313,7 +2321,7 @@
     if (base->Opcode() == Op_CheckCastPP &&
         base->bottom_type()->isa_rawptr() &&
         _igvn->type(base->in(1))->isa_oopptr()) {
-      base = base->in(1);
+      base = base->in(1); // Case #9
     } else {
       Node* uncast_base = base->uncast();
       int opcode = uncast_base->Opcode();