--- old/src/hotspot/share/opto/arraycopynode.cpp	2018-04-27 15:31:53.982198382 +0200
+++ new/src/hotspot/share/opto/arraycopynode.cpp	2018-04-27 15:31:53.730198391 +0200
@@ -644,6 +644,7 @@
 }
 
 static Node* step_over_gc_barrier(Node* c) {
+#if INCLUDE_G1GC
   if (UseG1GC && !GraphKit::use_ReduceInitialCardMarks() &&
       c != NULL && c->is_Region() && c->req() == 3) {
     for (uint i = 1; i < c->req(); i++) {
@@ -675,6 +676,7 @@
       }
     }
   }
+#endif // INCLUDE_G1GC
   return c;
 }