--- a/hotspot/src/share/vm/gc/g1/heapRegionRemSet.cpp	Thu Jan 26 10:17:06 2017 -0800
+++ b/hotspot/src/share/vm/gc/g1/heapRegionRemSet.cpp	Fri Jan 27 13:12:53 2017 +0100
@@ -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
@@ -711,29 +711,6 @@
   guarantee(G1RSetSparseRegionEntries > 0 && G1RSetRegionEntries > 0 , "Sanity");
 }
 
-#ifndef PRODUCT
-void HeapRegionRemSet::print() {
-  HeapRegionRemSetIterator iter(this);
-  size_t card_index;
-  while (iter.has_next(card_index)) {
-    HeapWord* card_start = _bot->address_for_index(card_index);
-    tty->print_cr("  Card " PTR_FORMAT, p2i(card_start));
-  }
-  if (iter.n_yielded() != occupied()) {
-    tty->print_cr("Yielded disagrees with occupied:");
-    tty->print_cr("  " SIZE_FORMAT_W(6) " yielded (" SIZE_FORMAT_W(6)
-                  " coarse, " SIZE_FORMAT_W(6) " fine).",
-                  iter.n_yielded(),
-                  iter.n_yielded_coarse(), iter.n_yielded_fine());
-    tty->print_cr("  " SIZE_FORMAT_W(6) " occ     (" SIZE_FORMAT_W(6)
-                           " coarse, " SIZE_FORMAT_W(6) " fine).",
-                  occupied(), occ_coarse(), occ_fine());
-  }
-  guarantee(iter.n_yielded() == occupied(),
-            "We should have yielded all the represented cards.");
-}
-#endif
-
 void HeapRegionRemSet::cleanup() {
   SparsePRT::cleanup_all();
 }
@@ -917,10 +894,6 @@
     // Otherwise...
     break;
   }
-  assert(ParallelGCThreads > 1 ||
-         n_yielded() == _hrrs->occupied(),
-         "Should have yielded all the cards in the rem set "
-         "(in the non-par case).");
   return false;
 }
 

--- a/hotspot/src/share/vm/gc/g1/heapRegionRemSet.hpp	Thu Jan 26 10:17:06 2017 -0800
+++ b/hotspot/src/share/vm/gc/g1/heapRegionRemSet.hpp	Fri Jan 27 13:12:53 2017 +0100
@@ -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
@@ -290,8 +290,6 @@
   // consumed by the strong code roots.
   size_t strong_code_roots_mem_size();
 
-  void print() PRODUCT_RETURN;
-
   // Called during a stop-world phase to perform any deferred cleanups.
   static void cleanup();