--- old/src/hotspot/share/runtime/mutexLocker.hpp	2018-03-01 18:09:57.837595000 +0100
+++ new/src/hotspot/share/runtime/mutexLocker.hpp	2018-03-01 18:09:57.600594000 +0100
@@ -137,6 +137,9 @@
 extern Mutex*   UnsafeJlong_lock;                // provides Unsafe atomic updates to jlongs on platforms that don't support cx8
 #endif
 
+extern Monitor* CodeHeapStateAnalytics_lock;     // lock print functions against concurrent analyze functions.
+                                                 // Only used locally in PrintCodeCacheLayout processing.
+
 // A MutexLocker provides mutual exclusion with respect to a given mutex
 // for the scope which contains the locker.  The lock is an OS lock, not
 // an object lock, and the two do not interoperate.  Do not use Mutex-based