--- old/src/share/vm/runtime/arguments.hpp	2015-10-14 13:54:34.024410555 +0200
+++ new/src/share/vm/runtime/arguments.hpp	2015-10-14 13:54:33.924412973 +0200
@@ -334,6 +334,8 @@
   static void set_parallel_gc_flags();
   // Garbage-First (UseG1GC)
   static void set_g1_gc_flags();
+  // Shenandoah GC (UseShenandoahGC)
+  static void set_shenandoah_gc_flags();
   // GC ergonomics
   static void set_conservative_max_heap_alignment();
   static void set_use_compressed_oops();
@@ -609,7 +611,7 @@
 };
 
 bool Arguments::gc_selected() {
-  return UseConcMarkSweepGC || UseG1GC || UseParallelGC || UseParallelOldGC || UseSerialGC;
+  return UseConcMarkSweepGC || UseG1GC || UseParallelGC || UseParallelOldGC || UseSerialGC || UseShenandoahGC;
 }
 
 // Disable options not supported in this release, with a warning if they