8340923: The class LogSelection copies uninitialized memory

Reviewed-by: mbaesken, jwaters, stefank

Author: jdksjolen

src/hotspot/share/logging/logSelection.cpp

@@ -33,11 +33,11 @@
 
 const LogSelection LogSelection::Invalid;
 
-LogSelection::LogSelection() : _ntags(0), _wildcard(false), _level(LogLevel::Invalid), _tag_sets_selected(0) {
+LogSelection::LogSelection() : _ntags(0), _tags(), _wildcard(false), _level(LogLevel::Invalid), _tag_sets_selected(0) {
 }
 
 LogSelection::LogSelection(const LogTagType tags[LogTag::MaxTags], bool wildcard, LogLevelType level)
-    : _ntags(0), _wildcard(wildcard), _level(level), _tag_sets_selected(0) {
+  : _ntags(0), _tags(), _wildcard(wildcard), _level(level), _tag_sets_selected(0) {
   while (_ntags < LogTag::MaxTags && tags[_ntags] != LogTag::__NO_TAG) {
     _tags[_ntags] = tags[_ntags];
     _ntags++;