diff -r efdbe9b904ad -r f96fcd9e1e1b src/share/vm/gc_implementation/g1/collectionSetChooser.hpp
--- a/src/share/vm/gc_implementation/g1/collectionSetChooser.hpp	Tue Feb 23 18:58:36 2016 -0500
+++ b/src/share/vm/gc_implementation/g1/collectionSetChooser.hpp	Thu Jun 14 09:15:08 2018 -0700
@@ -92,7 +92,7 @@
     regions_at_put(_curr_index, NULL);
     assert(hr->reclaimable_bytes() <= _remaining_reclaimable_bytes,
            err_msg("remaining reclaimable bytes inconsistent "
-                   "from region: "SIZE_FORMAT" remaining: "SIZE_FORMAT,
+                   "from region: " SIZE_FORMAT " remaining: " SIZE_FORMAT,
                    hr->reclaimable_bytes(), _remaining_reclaimable_bytes));
     _remaining_reclaimable_bytes -= hr->reclaimable_bytes();
     _curr_index += 1;