--- old/src/share/vm/gc/g1/g1ConcurrentMark.hpp	2017-08-03 17:38:00.173991564 +0200
+++ new/src/share/vm/gc/g1/g1ConcurrentMark.hpp	2017-08-03 17:38:00.076988514 +0200
@@ -171,7 +171,9 @@
 
   // read marks
   bool is_marked(HeapWord* addr) const {
-    assert(_covered.contains(addr), "Address " PTR_FORMAT " is outside underlying space from " PTR_FORMAT " to " PTR_FORMAT, p2i(addr), p2i(_covered.start()), p2i(_covered.end()));
+    assert(_covered.contains(addr),
+           "Address " PTR_FORMAT " is outside underlying space from " PTR_FORMAT " to " PTR_FORMAT,
+           p2i(addr), p2i(_covered.start()), p2i(_covered.end()));
     return _bm.at(addr_to_offset(addr));
   }