--- old/src/share/vm/runtime/arguments.cpp	2017-06-21 17:42:12.172786200 +0200
+++ new/src/share/vm/runtime/arguments.cpp	2017-06-21 17:42:11.172124100 +0200
@@ -4217,7 +4217,7 @@
     const char* gc_conf = PrintGCDetails ? "gc*" : "gc";
 
     LogTarget(Error, logging) target;
-    LogStreamCHeap errstream(target);
+    LogStream errstream(target);
     return LogConfiguration::parse_log_arguments(_gc_log_filename, gc_conf, NULL, NULL, &errstream);
   } else if (PrintGC || PrintGCDetails) {
     LogConfiguration::configure_stdout(LogLevel::Info, !PrintGCDetails, LOG_TAGS(gc));