--- old/share/gc/serial/serialArguments.cpp	2018-06-15 09:47:40.242912504 -0700
+++ new/share/gc/serial/serialArguments.cpp	2018-06-15 09:47:40.202912503 -0700
@@ -34,5 +34,8 @@
 }
 
 CollectedHeap* SerialArguments::create_heap() {
+  if (AllocateOldGenAt != NULL) {
+    vm_exit_during_initialization("The flag -XX:AllocateOldGenAt can not be used with SerialGC. Only ParallelOldGC and G1GC are supported.", NULL);
+  }
   return create_heap_with_policy<SerialHeap, MarkSweepPolicy>();
 }