--- old/src/share/vm/gc_implementation/g1/collectionSetChooser.cpp	2018-06-14 06:29:53.835018638 -0700
+++ new/src/share/vm/gc_implementation/g1/collectionSetChooser.cpp	2018-06-14 06:29:53.720008331 -0700
@@ -117,7 +117,7 @@
   }
   guarantee(sum_of_reclaimable_bytes == _remaining_reclaimable_bytes,
             err_msg("reclaimable bytes inconsistent, "
-                    "remaining: "SIZE_FORMAT" sum: "SIZE_FORMAT,
+                    "remaining: " SIZE_FORMAT " sum: " SIZE_FORMAT,
                     _remaining_reclaimable_bytes, sum_of_reclaimable_bytes));
 }
 #endif // !PRODUCT