--- a/hotspot/src/share/vm/gc/g1/g1CollectorPolicy.hpp	Mon Sep 28 15:05:02 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectorPolicy.hpp	Tue Sep 29 11:02:08 2015 +0200
@@ -839,7 +839,7 @@
       case InCSetState::Old:
         return REGIONS_UNLIMITED;
       default:
-        assert(false, err_msg("Unknown dest state: " CSETSTATE_FORMAT, dest.value()));
+        assert(false, "Unknown dest state: " CSETSTATE_FORMAT, dest.value());
         break;
     }
     // keep some compilers happy