--- old/src/cpu/x86/vm/vtableStubs_x86_64.cpp	2016-01-22 15:20:56.682677523 +0100
+++ new/src/cpu/x86/vm/vtableStubs_x86_64.cpp	2016-01-22 15:20:56.586673572 +0100
@@ -77,7 +77,7 @@
   if (DebugVtables) {
     Label L;
     // check offset vs vtable length
-    __ cmpl(Address(rax, InstanceKlass::vtable_length_offset()),
+    __ cmpl(Address(rax, Klass::vtable_length_offset()),
             vtable_index * vtableEntry::size());
     __ jcc(Assembler::greater, L);
     __ movl(rbx, vtable_index);