--- old/src/share/vm/gc/parallel/psParallelCompact.cpp 2017-06-21 17:40:00.394322300 +0200 +++ new/src/share/vm/gc/parallel/psParallelCompact.cpp 2017-06-21 17:39:59.348540600 +0200 @@ -203,7 +203,8 @@ } Log(gc, compaction) log; ResourceMark rm; - Universe::print_on(log.trace_stream()); + LogStream ls(log.trace()); + Universe::print_on(&ls); log.trace("space bottom top end new_top"); log.trace("------ ---------- ---------- ---------- ----------"); @@ -2369,7 +2370,8 @@ Log(gc, compaction) log; ResourceMark rm; - outputStream* out = log.trace_stream(); + LogStream ls(log.trace()); + outputStream* out = &ls; typedef ParallelCompactData::RegionData rd_t; ParallelCompactData& sd = summary_data();