--- a/hotspot/src/share/vm/oops/markOop.cpp	Tue Jul 14 11:40:49 2015 +0200
+++ b/hotspot/src/share/vm/oops/markOop.cpp	Tue Jul 14 09:33:20 2015 -0700
@@ -32,26 +32,32 @@
 void markOopDesc::print_on(outputStream* st) const {
   if (is_marked()) {
     st->print(" marked(" INTPTR_FORMAT ")", value());
+  } else if (has_monitor()) {
+    // have to check has_monitor() before is_locked()
+    st->print(" monitor(" INTPTR_FORMAT ")=", value());
+    ObjectMonitor* mon = monitor();
+    if (mon == NULL) {
+      st->print("NULL (this should never be seen!)");
+    } else {
+      st->print("{count=" INTPTR_FORMAT ",waiters=" INTPTR_FORMAT
+                ",recursions=" INTPTR_FORMAT ",owner=" INTPTR_FORMAT "}",
+                mon->count(), mon->waiters(), mon->recursions(),
+                p2i(mon->owner()));
+    }
   } else if (is_locked()) {
     st->print(" locked(" INTPTR_FORMAT ")->", value());
     if (is_neutral()) {
       st->print("is_neutral");
-      if (has_no_hash()) st->print(" no_hash");
-      else st->print(" hash=" INTPTR_FORMAT, hash());
+      if (has_no_hash()) {
+        st->print(" no_hash");
+      } else {
+        st->print(" hash=" INTPTR_FORMAT, hash());
+      }
       st->print(" age=%d", age());
     } else if (has_bias_pattern()) {
       st->print("is_biased");
       JavaThread* jt = biased_locker();
       st->print(" biased_locker=" INTPTR_FORMAT, p2i(jt));
-    } else if (has_monitor()) {
-      ObjectMonitor* mon = monitor();
-      if (mon == NULL)
-        st->print("monitor=NULL");
-      else {
-        BasicLock * bl = (BasicLock *) mon->owner();
-        st->print("monitor={count=" INTPTR_FORMAT ",waiters=" INTPTR_FORMAT ",recursions=" INTPTR_FORMAT ",owner=" INTPTR_FORMAT "}",
-                mon->count(), mon->waiters(), mon->recursions(), p2i(bl));
-      }
     } else {
       st->print("??");
     }