--- old/src/share/vm/gc/shared/preservedMarks.cpp	2016-06-25 00:07:51.757597029 +0900
+++ new/src/share/vm/gc/shared/preservedMarks.cpp	2016-06-25 00:07:51.619597553 +0900
@@ -48,10 +48,10 @@
 
 #ifndef PRODUCT
 void PreservedMarks::assert_empty() {
-  assert(_stack.is_empty(), "stack expected to be empty, size = "SIZE_FORMAT,
+  assert(_stack.is_empty(), "stack expected to be empty, size = " SIZE_FORMAT,
          _stack.size());
   assert(_stack.cache_size() == 0,
-         "stack expected to have no cached segments, cache size = "SIZE_FORMAT,
+         "stack expected to have no cached segments, cache size = " SIZE_FORMAT,
          _stack.cache_size());
 }
 #endif // ndef PRODUCT