src/hotspot/share/opto/addnode.cpp

*** 653,662 ****
--- 653,668 ----
    const TypeX *tx = t->is_intptr_t();
    intptr_t txoffset = Type::OffsetBot;
    if (tx->is_con()) {   // Left input is an add of a constant?
      txoffset = tx->get_con();
    }
+   if (tp->isa_aryptr()) {
+     // In the case of a flattened value type array, each field has its
+     // own slice so we need to extract the field being accessed from
+     // the address computation
+     return tp->is_aryptr()->add_field_offset_and_offset(txoffset);
+   }
    return tp->add_offset(txoffset);
  }
  
  //------------------------------Value------------------------------------------
  const Type* AddPNode::Value(PhaseGVN* phase) const {
*** 673,682 ****
--- 679,694 ----
    // Add 'em
    intptr_t p2offset = Type::OffsetBot;
    if (p2->is_con()) {   // Left input is an add of a constant?
      p2offset = p2->get_con();
    }
+   if (p1->isa_aryptr()) {
+     // In the case of a flattened value type array, each field has its
+     // own slice so we need to extract the field being accessed from
+     // the address computation
+     return p1->is_aryptr()->add_field_offset_and_offset(p2offset);
+   }
    return p1->add_offset(p2offset);
  }
  
  //------------------------Ideal_base_and_offset--------------------------------
  // Split an oop pointer into a base and offset.