--- a/hotspot/src/share/vm/runtime/mutexLocker.hpp	Sat Nov 08 16:00:28 2014 +0300
+++ b/hotspot/src/share/vm/runtime/mutexLocker.hpp	Mon Nov 10 19:04:38 2014 +0300
@@ -91,6 +91,7 @@
 extern Mutex*   Compile_lock;                    // a lock held when Compilation is updating code (used to block CodeCache traversal, CHA updates, etc)
 extern Monitor* MethodCompileQueue_lock;         // a lock held when method compilations are enqueued, dequeued
 extern Monitor* CompileThread_lock;              // a lock held by compile threads during compilation system initialization
+extern Monitor* Compilation_lock;                // a lock used to pause compilation
 extern Mutex*   CompileTaskAlloc_lock;           // a lock held when CompileTasks are allocated
 extern Mutex*   CompileStatistics_lock;          // a lock held when updating compilation statistics
 extern Mutex*   MultiArray_lock;                 // a lock used to guard allocation of multi-dim arrays