--- old/src/share/vm/gc/g1/g1CollectedHeap.cpp	2017-03-09 23:56:50.352678913 -0500
+++ new/src/share/vm/gc/g1/g1CollectedHeap.cpp	2017-03-09 23:56:50.232673051 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2495,6 +2495,18 @@
   _verifier->verify(vo);
 }
 
+bool G1CollectedHeap::supports_concurrent_phase_control() const {
+  return true;
+}
+
+const char* const* G1CollectedHeap::concurrent_phases() const {
+  return _cmThread->concurrent_phases();
+}
+
+bool G1CollectedHeap::request_concurrent_phase(const char* phase) {
+  return _cmThread->request_concurrent_phase(phase);
+}
+
 class PrintRegionClosure: public HeapRegionClosure {
   outputStream* _st;
 public: