--- old/src/share/vm/logging/logTagSet.cpp	2015-09-23 11:25:23.700700790 +0200
+++ new/src/share/vm/logging/logTagSet.cpp	2015-09-23 11:25:23.580700786 +0200
@@ -31,6 +31,8 @@
 LogTagSet*  LogTagSet::_list      = NULL;
 size_t      LogTagSet::_ntagsets  = 0;
 
+// This constructor is called only during static initialization.
+// See the declaration in logTagSet.hpp for more information.
 LogTagSet::LogTagSet(LogTagType t0, LogTagType t1, LogTagType t2, LogTagType t3, LogTagType t4)
     : _next(_list) {
   _tag[0] = t0;