src/hotspot/share/runtime/biasedLocking.cpp

rev 47862 : imported patch 10.07.open.rebase_20171110.dcubed
rev 47866 : robinw CR: Fix some inefficient code, update some comments, fix some indents, and add some 'const' specifiers.

@@ -213,17 +213,13 @@
   // Handle case where the thread toward which the object was biased has exited
   bool thread_is_alive = false;
   if (requesting_thread == biased_thread) {
     thread_is_alive = true;
   } else {
-    for (JavaThreadIteratorWithHandle jtiwh; JavaThread *cur_thread = jtiwh.next(); ) {
-      if (cur_thread == biased_thread) {
-        thread_is_alive = true;
-        break;
+    ThreadsListHandle tlh;
+    thread_is_alive = tlh.includes(biased_thread);
       }
-    }
-  }
   if (!thread_is_alive) {
     if (allow_rebias) {
       obj->set_mark(biased_prototype);
     } else {
       obj->set_mark(unbiased_prototype);