--- old/src/share/vm/opto/library_call.cpp	2016-01-22 15:20:59.398789308 +0100
+++ new/src/share/vm/opto/library_call.cpp	2016-01-22 15:20:59.298785192 +0100
@@ -3828,7 +3828,7 @@
   assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index,
          "bad index %d", vtable_index);
   // Get the Method* out of the appropriate vtable entry.
-  int entry_offset  = in_bytes(InstanceKlass::vtable_start_offset()) +
+  int entry_offset  = in_bytes(Klass::vtable_start_offset()) +
                      vtable_index*vtableEntry::size_in_bytes() +
                      vtableEntry::method_offset_in_bytes();
   Node* entry_addr  = basic_plus_adr(obj_klass, entry_offset);